83190426 has 16 divisors (see below), whose sum is σ = 181506528. Its totient is φ = 25209200.

The previous prime is 83190407. The next prime is 83190427. The reversal of 83190426 is 62409138.

It is a super-2 number, since 2×83190426² = 13841293956122952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (83190427) 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, 630165 + ... + 630296.

It is an arithmetic number, because the mean of its divisors is an integer number (11344158).

Almost surely, 2^83190426 is an apocalyptic number.

83190426 is an abundant number, since it is smaller than the sum of its proper divisors (98316102).

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

83190426 is a wasteful number, since it uses less digits than its factorization.

83190426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260477.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 83190426 is about 9120.8785761022. The cubic root of 83190426 is about 436.5404073971.

The spelling of 83190426 in words is "eighty-three million, one hundred ninety thousand, four hundred twenty-six".