216296634 has 16 divisors (see below), whose sum is σ = 432878688. Its totient is φ = 72051312.

The previous prime is 216296609. The next prime is 216296653. The reversal of 216296634 is 436692612.

It is a junction number, because it is equal to n+sod(n) for n = 216296592 and 216296601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317 + ... + 20840.

It is an arithmetic number, because the mean of its divisors is an integer number (27054918).

Almost surely, 2^216296634 is an apocalyptic number.

216296634 is an abundant number, since it is smaller than the sum of its proper divisors (216582054).

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

216296634 is a wasteful number, since it uses less digits than its factorization.

216296634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23789.

The product of its digits is 93312, while the sum is 39.

The square root of 216296634 is about 14707.0266879475. The cubic root of 216296634 is about 600.2745354757.

The spelling of 216296634 in words is "two hundred sixteen million, two hundred ninety-six thousand, six hundred thirty-four".