896642406 has 64 divisors (see below), whose sum is σ = 2219996160. Its totient is φ = 265920480.

The previous prime is 896642381. The next prime is 896642413. The reversal of 896642406 is 604246698.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11860 + ... + 43976.

It is an arithmetic number, because the mean of its divisors is an integer number (34687440).

Almost surely, 2^896642406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 896642406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1109998080).

896642406 is an abundant number, since it is smaller than the sum of its proper divisors (1323353754).

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

896642406 is a wasteful number, since it uses less digits than its factorization.

896642406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186 (or 32180 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 896642406 is about 29943.9878105773. The cubic root of 896642406 is about 964.2872509041.

The spelling of 896642406 in words is "eight hundred ninety-six million, six hundred forty-two thousand, four hundred six".