90403804 has 6 divisors (see below), whose sum is σ = 158206664. Its totient is φ = 45201900.

The previous prime is 90403799. The next prime is 90403829. The reversal of 90403804 is 40830409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11300472 + ... + 11300479.

Almost surely, 2^90403804 is an apocalyptic number.

It is an amenable number.

90403804 is a deficient number, since it is larger than the sum of its proper divisors (67802860).

90403804 is a wasteful number, since it uses less digits than its factorization.

90403804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600955 (or 22600953 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 90403804 is about 9508.0915014529. The cubic root of 90403804 is about 448.8097003929.

The spelling of 90403804 in words is "ninety million, four hundred three thousand, eight hundred four".