90537604 has 24 divisors (see below), whose sum is σ = 162328320. Its totient is φ = 44164416.

The previous prime is 90537583. The next prime is 90537619. The reversal of 90537604 is 40673509.

It is a self number, because there is not a number n which added to its sum of digits gives 90537604.

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, 81984 + ... + 83080.

It is an arithmetic number, because the mean of its divisors is an integer number (6763680).

Almost surely, 2^90537604 is an apocalyptic number.

90537604 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

90537604 is a deficient number, since it is larger than the sum of its proper divisors (71790716).

90537604 is a wasteful number, since it uses less digits than its factorization.

90537604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 90537604 is about 9515.1250123159. The cubic root of 90537604 is about 449.0310079560.

The spelling of 90537604 in words is "ninety million, five hundred thirty-seven thousand, six hundred four".