216426476 has 24 divisors (see below), whose sum is σ = 436830240. Its totient is φ = 91901952.

The previous prime is 216426451. The next prime is 216426479. The reversal of 216426476 is 674624612.

It is not an unprimeable number, because it can be changed into a prime (216426479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32405 + ... + 38508.

It is an arithmetic number, because the mean of its divisors is an integer number (18201260).

Almost surely, 2^216426476 is an apocalyptic number.

It is an amenable number.

216426476 is an abundant number, since it is smaller than the sum of its proper divisors (220403764).

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

216426476 is a wasteful number, since it uses less digits than its factorization.

216426476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71033 (or 71031 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 216426476 is about 14711.4403101804. The cubic root of 216426476 is about 600.3946255794.

The spelling of 216426476 in words is "two hundred sixteen million, four hundred twenty-six thousand, four hundred seventy-six".