84890526 has 16 divisors (see below), whose sum is σ = 194035584. Its totient is φ = 24254424.

The previous prime is 84890501. The next prime is 84890549. The reversal of 84890526 is 62509848.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2021203 = 84890526 / (8 + 4 + 8 + 9 + 0 + 5 + 2 + 6).

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, 1010560 + ... + 1010643.

It is an arithmetic number, because the mean of its divisors is an integer number (12127224).

Almost surely, 2^84890526 is an apocalyptic number.

84890526 is an abundant number, since it is smaller than the sum of its proper divisors (109145058).

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

84890526 is a wasteful number, since it uses less digits than its factorization.

84890526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021215.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 84890526 is about 9213.6054831971. The cubic root of 84890526 is about 439.4941259127.

The spelling of 84890526 in words is "eighty-four million, eight hundred ninety thousand, five hundred twenty-six".