216437046 has 32 divisors (see below), whose sum is σ = 496055040. Its totient is φ = 61671456.

The previous prime is 216437033. The next prime is 216437051. The reversal of 216437046 is 640734612.

It is a happy number.

216437046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216437046² = 93689989762412232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216436998 and 216437016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9120 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (15501720).

Almost surely, 2^216437046 is an apocalyptic number.

216437046 is an abundant number, since it is smaller than the sum of its proper divisors (279617994).

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

216437046 is a wasteful number, since it uses less digits than its factorization.

216437046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 216437046 is about 14711.7995500211. The cubic root of 216437046 is about 600.4043995959.

The spelling of 216437046 in words is "two hundred sixteen million, four hundred thirty-seven thousand, forty-six".