83520190 has 64 divisors (see below), whose sum is σ = 168892416. Its totient is φ = 29538432.

The previous prime is 83520187. The next prime is 83520197. The reversal of 83520190 is 9102538.

It is a super-2 number, since 2×83520190² = 13951244275272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83520197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374419 + ... + 374641.

It is an arithmetic number, because the mean of its divisors is an integer number (2638944).

Almost surely, 2^83520190 is an apocalyptic number.

83520190 is an abundant number, since it is smaller than the sum of its proper divisors (85372226).

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

83520190 is a wasteful number, since it uses less digits than its factorization.

83520190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 83520190 is about 9138.9381221234. The cubic root of 83520190 is about 437.1164573277.

It can be divided in two parts, 835 and 20190, that added together give a square (21025 = 145²).

The spelling of 83520190 in words is "eighty-three million, five hundred twenty thousand, one hundred ninety".