215388034 has 8 divisors (see below), whose sum is σ = 323161740. Its totient is φ = 107667456.

The previous prime is 215388013. The next prime is 215388053. The reversal of 215388034 is 430883512.

It is a happy number.

215388034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184552225 + 30835809 = 13585^2 + 5553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799 + ... + 20770.

Almost surely, 2^215388034 is an apocalyptic number.

215388034 is a deficient number, since it is larger than the sum of its proper divisors (107773706).

215388034 is a wasteful number, since it uses less digits than its factorization.

215388034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26564.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 215388034 is about 14676.1041833315. The cubic root of 215388034 is about 599.4328288452.

The spelling of 215388034 in words is "two hundred fifteen million, three hundred eighty-eight thousand, thirty-four".