215262834 has 16 divisors (see below), whose sum is σ = 435976320. Its totient is φ = 70845840.

The previous prime is 215262829. The next prime is 215262847. The reversal of 215262834 is 438262512.

215262834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 215262795 and 215262804.

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, 226597 + ... + 227544.

It is an arithmetic number, because the mean of its divisors is an integer number (27248520).

Almost surely, 2^215262834 is an apocalyptic number.

215262834 is an abundant number, since it is smaller than the sum of its proper divisors (220713486).

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

215262834 is a wasteful number, since it uses less digits than its factorization.

215262834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454225.

The product of its digits is 23040, while the sum is 33.

The square root of 215262834 is about 14671.8381261517. The cubic root of 215262834 is about 599.3166609305.

The spelling of 215262834 in words is "two hundred fifteen million, two hundred sixty-two thousand, eight hundred thirty-four".