83268390 has 16 divisors (see below), whose sum is σ = 199844208. Its totient is φ = 22204896.

The previous prime is 83268377. The next prime is 83268401. The reversal of 83268390 is 9386238.

It is a Curzon number.

It is a congruent number.

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, 1387777 + ... + 1387836.

It is an arithmetic number, because the mean of its divisors is an integer number (12490263).

Almost surely, 2^83268390 is an apocalyptic number.

83268390 is an abundant number, since it is smaller than the sum of its proper divisors (116575818).

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

83268390 is a wasteful number, since it uses less digits than its factorization.

83268390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775623.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 83268390 is about 9125.1515055916. The cubic root of 83268390 is about 436.6767364252.

The spelling of 83268390 in words is "eighty-three million, two hundred sixty-eight thousand, three hundred ninety".