90433215 has 24 divisors (see below), whose sum is σ = 157725360. Its totient is φ = 47931264.

The previous prime is 90433207. The next prime is 90433237. The reversal of 90433215 is 51233409.

It is not a de Polignac number, because 90433215 - 2³ = 90433207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1171 + ... + 13499.

It is an arithmetic number, because the mean of its divisors is an integer number (6571890).

Almost surely, 2^90433215 is an apocalyptic number.

90433215 is a deficient number, since it is larger than the sum of its proper divisors (67292145).

90433215 is a wasteful number, since it uses less digits than its factorization.

90433215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503 (or 12500 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 90433215 is about 9509.6380057287. The cubic root of 90433215 is about 448.8583654207.

The spelling of 90433215 in words is "ninety million, four hundred thirty-three thousand, two hundred fifteen".