90500828 has 24 divisors (see below), whose sum is σ = 173021184. Its totient is φ = 41078000.

The previous prime is 90500821. The next prime is 90500831. The reversal of 90500828 is 82800509.

It is a junction number, because it is equal to n+sod(n) for n = 90500794 and 90500803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90500821) 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, 49751 + ... + 51537.

It is an arithmetic number, because the mean of its divisors is an integer number (7209216).

Almost surely, 2^90500828 is an apocalyptic number.

It is an amenable number.

90500828 is a deficient number, since it is larger than the sum of its proper divisors (82520356).

90500828 is a wasteful number, since it uses less digits than its factorization.

90500828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 90500828 is about 9513.1923138345. The cubic root of 90500828 is about 448.9702015432.

The spelling of 90500828 in words is "ninety million, five hundred thousand, eight hundred twenty-eight".