90251104 has 12 divisors (see below), whose sum is σ = 177681924. Its totient is φ = 45125536.

The previous prime is 90251099. The next prime is 90251107. The reversal of 90251104 is 40115209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90251107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410142 + ... + 1410205.

It is an arithmetic number, because the mean of its divisors is an integer number (14806827).

Almost surely, 2^90251104 is an apocalyptic number.

It is an amenable number.

90251104 is a deficient number, since it is larger than the sum of its proper divisors (87430820).

90251104 is a wasteful number, since it uses less digits than its factorization.

90251104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820357 (or 2820349 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 90251104 is about 9500.0581050855. The cubic root of 90251104 is about 448.5568649269.

The spelling of 90251104 in words is "ninety million, two hundred fifty-one thousand, one hundred four".