215334630 has 96 divisors (see below), whose sum is σ = 644716800. Its totient is φ = 48845376.

The previous prime is 215334629. The next prime is 215334641. The reversal of 215334630 is 36433512.

It is a happy number.

215334630 is a `hidden beast` number, since 21 + 5 + 3 + 3 + 4 + 630 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 215334594 and 215334603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86341 + ... + 88799.

It is an arithmetic number, because the mean of its divisors is an integer number (6715800).

Almost surely, 2^215334630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215334630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322358400).

215334630 is an abundant number, since it is smaller than the sum of its proper divisors (429382170).

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

215334630 is a wasteful number, since it uses less digits than its factorization.

215334630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 215334630 is about 14674.2846503671. The cubic root of 215334630 is about 599.3832829841.

The spelling of 215334630 in words is "two hundred fifteen million, three hundred thirty-four thousand, six hundred thirty".