894149536 has 48 divisors (see below), whose sum is σ = 2034486720. Its totient is φ = 378892800.

The previous prime is 894149533. The next prime is 894149549. The reversal of 894149536 is 635941498.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 894149536.

It is not an unprimeable number, because it can be changed into a prime (894149533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 42361.

It is an arithmetic number, because the mean of its divisors is an integer number (42385140).

Almost surely, 2^894149536 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 894149536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017243360).

894149536 is an abundant number, since it is smaller than the sum of its proper divisors (1140337184).

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

894149536 is a wasteful number, since it uses less digits than its factorization.

894149536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44957 (or 44949 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 894149536 is about 29902.3332868858. Note that the first 3 decimals coincide. The cubic root of 894149536 is about 963.3927754202.

The spelling of 894149536 in words is "eight hundred ninety-four million, one hundred forty-nine thousand, five hundred thirty-six".