90251828 has 24 divisors (see below), whose sum is σ = 166168800. Its totient is φ = 42828128.

The previous prime is 90251809. The next prime is 90251923. The reversal of 90251828 is 82815209.

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, 251 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (6923700).

Almost surely, 2^90251828 is an apocalyptic number.

It is an amenable number.

90251828 is a deficient number, since it is larger than the sum of its proper divisors (75916972).

90251828 is a wasteful number, since it uses less digits than its factorization.

90251828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13279 (or 13277 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 90251828 is about 9500.0962100391. The cubic root of 90251828 is about 448.5580643741.

The spelling of 90251828 in words is "ninety million, two hundred fifty-one thousand, eight hundred twenty-eight".