208234215 has 24 divisors (see below), whose sum is σ = 412502688. Its totient is φ = 95192640.

The previous prime is 208234211. The next prime is 208234231. The reversal of 208234215 is 512432802.

It is not a de Polignac number, because 208234215 - 2² = 208234211 is a prime.

It is a super-2 number, since 2×208234215² = 86722976593332450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208234211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330216 + ... + 330845.

It is an arithmetic number, because the mean of its divisors is an integer number (17187612).

Almost surely, 2^208234215 is an apocalyptic number.

208234215 is a deficient number, since it is larger than the sum of its proper divisors (204268473).

208234215 is a wasteful number, since it uses less digits than its factorization.

208234215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661079 (or 661076 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 208234215 is about 14430.3227614631. The cubic root of 208234215 is about 592.7215216118.

The spelling of 208234215 in words is "two hundred eight million, two hundred thirty-four thousand, two hundred fifteen".