216825796 has 48 divisors (see below), whose sum is σ = 437472000. Its totient is φ = 92996640.

The previous prime is 216825787. The next prime is 216825821. The reversal of 216825796 is 697528612.

It is a super-2 number, since 2×216825796² = 94026851622067232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 349975 + ... + 350593.

It is an arithmetic number, because the mean of its divisors is an integer number (9114000).

Almost surely, 2^216825796 is an apocalyptic number.

It is an amenable number.

216825796 is an abundant number, since it is smaller than the sum of its proper divisors (220646204).

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

216825796 is a wasteful number, since it uses less digits than its factorization.

216825796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 216825796 is about 14725.0058064505. The cubic root of 216825796 is about 600.7636535690.

The spelling of 216825796 in words is "two hundred sixteen million, eight hundred twenty-five thousand, seven hundred ninety-six".