90533208 has 16 divisors (see below), whose sum is σ = 226333080. Its totient is φ = 30177728.

The previous prime is 90533197. The next prime is 90533239. The reversal of 90533208 is 80233509.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886085 + ... + 1886132.

Almost surely, 2^90533208 is an apocalyptic number.

It is an amenable number.

90533208 is an abundant number, since it is smaller than the sum of its proper divisors (135799872).

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

90533208 is a wasteful number, since it uses less digits than its factorization.

90533208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772226 (or 3772222 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 90533208 is about 9514.8940088684. The cubic root of 90533208 is about 449.0237403598.

The spelling of 90533208 in words is "ninety million, five hundred thirty-three thousand, two hundred eight".