90490502 has 8 divisors (see below), whose sum is σ = 142879800. Its totient is φ = 42863904.

The previous prime is 90490429. The next prime is 90490549. The reversal of 90490502 is 20509409.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1190627 + ... + 1190702.

It is an arithmetic number, because the mean of its divisors is an integer number (17859975).

Almost surely, 2^90490502 is an apocalyptic number.

90490502 is a deficient number, since it is larger than the sum of its proper divisors (52389298).

90490502 is a wasteful number, since it uses less digits than its factorization.

90490502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381350.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 90490502 is about 9512.6495783246. The cubic root of 90490502 is about 448.9531252994.

The spelling of 90490502 in words is "ninety million, four hundred ninety thousand, five hundred two".