216024634 has 12 divisors (see below), whose sum is σ = 376941114. Its totient is φ = 92581944.

The previous prime is 216024617. The next prime is 216024673. The reversal of 216024634 is 436420612.

It can be written as a sum of positive squares in only one way, i.e., 210975625 + 5049009 = 14525^2 + 2247^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1102069 + ... + 1102264.

Almost surely, 2^216024634 is an apocalyptic number.

216024634 is a deficient number, since it is larger than the sum of its proper divisors (160916480).

216024634 is a wasteful number, since it uses less digits than its factorization.

216024634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204349 (or 2204342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 216024634 is about 14697.7764985048. The cubic root of 216024634 is about 600.0228083922.

The spelling of 216024634 in words is "two hundred sixteen million, twenty-four thousand, six hundred thirty-four".