84903090 has 32 divisors (see below), whose sum is σ = 204011136. Its totient is φ = 22613760.

The previous prime is 84903089. The next prime is 84903127. The reversal of 84903090 is 9030948.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44394 + ... + 46266.

It is an arithmetic number, because the mean of its divisors is an integer number (6375348).

Almost surely, 2^84903090 is an apocalyptic number.

84903090 is an abundant number, since it is smaller than the sum of its proper divisors (119108046).

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

84903090 is a wasteful number, since it uses less digits than its factorization.

84903090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 84903090 is about 9214.2872757474. The cubic root of 84903090 is about 439.5158069022.

The spelling of 84903090 in words is "eighty-four million, nine hundred three thousand, ninety".