236880642 has 16 divisors (see below), whose sum is σ = 490098240. Its totient is φ = 76237392.

The previous prime is 236880583. The next prime is 236880713. The reversal of 236880642 is 246088632.

It is a super-2 number, since 2×236880642² = 112224877108664328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 236880642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680518 + ... + 680865.

It is an arithmetic number, because the mean of its divisors is an integer number (30631140).

Almost surely, 2^236880642 is an apocalyptic number.

236880642 is an abundant number, since it is smaller than the sum of its proper divisors (253217598).

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

236880642 is a wasteful number, since it uses less digits than its factorization.

236880642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361417.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 236880642 is about 15390.9272625141. The cubic root of 236880642 is about 618.7423709293.

The spelling of 236880642 in words is "two hundred thirty-six million, eight hundred eighty thousand, six hundred forty-two".