896398731 has 10 divisors (see below), whose sum is σ = 1339064892. Its totient is φ = 597599100.

The previous prime is 896398651. The next prime is 896398747. The reversal of 896398731 is 137893698.

It is not a de Polignac number, because 896398731 - 2¹⁰ = 896397707 is a prime.

It is a super-2 number, since 2×896398731² = 1607061369876820722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (896398031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5533245 + ... + 5533406.

Almost surely, 2^896398731 is an apocalyptic number.

896398731 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

896398731 is a deficient number, since it is larger than the sum of its proper divisors (442666161).

896398731 is a wasteful number, since it uses less digits than its factorization.

896398731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066663 (or 11066654 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 896398731 is about 29939.9186872643. The cubic root of 896398731 is about 964.1998901817.

The spelling of 896398731 in words is "eight hundred ninety-six million, three hundred ninety-eight thousand, seven hundred thirty-one".