614494864 has 60 divisors (see below), whose sum is σ = 1261724800. Its totient is φ = 289852992.

The previous prime is 614494849. The next prime is 614494889. The reversal of 614494864 is 468494416.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668197 + ... + 669115.

Almost surely, 2^614494864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 614494864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630862400).

614494864 is an abundant number, since it is smaller than the sum of its proper divisors (647229936).

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

614494864 is a wasteful number, since it uses less digits than its factorization.

614494864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1023 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 614494864 is about 24789.0069183903. The cubic root of 614494864 is about 850.1706065851.

The spelling of 614494864 in words is "six hundred fourteen million, four hundred ninety-four thousand, eight hundred sixty-four".