614949894 has 96 divisors (see below), whose sum is σ = 1501403904. Its totient is φ = 187518240.

The previous prime is 614949887. The next prime is 614949899. The reversal of 614949894 is 498949416.

It is a happy number.

614949894 is a `hidden beast` number, since 6 + 149 + 498 + 9 + 4 = 666.

It is a super-2 number, since 2×614949894² = 756326744261222472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 614949894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614949899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827287 + ... + 828029.

It is an arithmetic number, because the mean of its divisors is an integer number (15639624).

Almost surely, 2^614949894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 614949894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750701952).

614949894 is an abundant number, since it is smaller than the sum of its proper divisors (886454010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

614949894 is a wasteful number, since it uses less digits than its factorization.

614949894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 892 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 614949894 is about 24798.1832802324. The cubic root of 614949894 is about 850.3804036642.

The spelling of 614949894 in words is "six hundred fourteen million, nine hundred forty-nine thousand, eight hundred ninety-four".