83801290 has 16 divisors (see below), whose sum is σ = 151062912. Its totient is φ = 33471504.

The previous prime is 83801273. The next prime is 83801297. The reversal of 83801290 is 9210838.

It is not an unprimeable number, because it can be changed into a prime (83801297) 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, 1507 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (9441432).

Almost surely, 2^83801290 is an apocalyptic number.

83801290 is a deficient number, since it is larger than the sum of its proper divisors (67261622).

83801290 is a wasteful number, since it uses less digits than its factorization.

83801290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 83801290 is about 9154.3044520051. The cubic root of 83801290 is about 437.6063023322.

The spelling of 83801290 in words is "eighty-three million, eight hundred one thousand, two hundred ninety".