84945190 has 16 divisors (see below), whose sum is σ = 166801680. Its totient is φ = 30889120.

The previous prime is 84945163. The next prime is 84945193. The reversal of 84945190 is 9154948.

It is a super-2 number, since 2×84945190² = 14431370608272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84945193) 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, 386005 + ... + 386224.

It is an arithmetic number, because the mean of its divisors is an integer number (10425105).

Almost surely, 2^84945190 is an apocalyptic number.

84945190 is a deficient number, since it is larger than the sum of its proper divisors (81856490).

84945190 is a wasteful number, since it uses less digits than its factorization.

84945190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772247.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 84945190 is about 9216.5714883573. The cubic root of 84945190 is about 439.5884409211.

The spelling of 84945190 in words is "eighty-four million, nine hundred forty-five thousand, one hundred ninety".