239991201 has 8 divisors (see below), whose sum is σ = 355542560. Its totient is φ = 159994116.

The previous prime is 239991197. The next prime is 239991233. The reversal of 239991201 is 102199932.

It is a happy number.

It is not a de Polignac number, because 239991201 - 2² = 239991197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239992201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444255 + ... + 4444308.

It is an arithmetic number, because the mean of its divisors is an integer number (44442820).

Almost surely, 2^239991201 is an apocalyptic number.

It is an amenable number.

239991201 is a deficient number, since it is larger than the sum of its proper divisors (115551359).

239991201 is an equidigital number, since it uses as much as digits as its factorization.

239991201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888572 (or 8888566 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 239991201 is about 15491.6493957228. The cubic root of 239991201 is about 621.4389065038.

It can be divided in two parts, 23999 and 1201, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 239991201 in words is "two hundred thirty-nine million, nine hundred ninety-one thousand, two hundred one".