90906104 has 16 divisors (see below), whose sum is σ = 173244120. Its totient is φ = 44707680.

The previous prime is 90906103. The next prime is 90906107. The reversal of 90906104 is 40160909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90906103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92654 + ... + 93629.

Almost surely, 2^90906104 is an apocalyptic number.

It is an amenable number.

90906104 is a deficient number, since it is larger than the sum of its proper divisors (82338016).

90906104 is a wasteful number, since it uses less digits than its factorization.

90906104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186350 (or 186346 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 90906104 is about 9534.4692563351. The cubic root of 90906104 is about 449.6393884642.

The spelling of 90906104 in words is "ninety million, nine hundred six thousand, one hundred four".