90206104 has 8 divisors (see below), whose sum is σ = 169136460. Its totient is φ = 45103048.

The previous prime is 90206099. The next prime is 90206119. The reversal of 90206104 is 40160209.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637874 + ... + 5637889.

Almost surely, 2^90206104 is an apocalyptic number.

It is an amenable number.

90206104 is a deficient number, since it is larger than the sum of its proper divisors (78930356).

90206104 is a wasteful number, since it uses less digits than its factorization.

90206104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11275769 (or 11275765 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 90206104 is about 9497.6894032180. The cubic root of 90206104 is about 448.4823010572.

The spelling of 90206104 in words is "ninety million, two hundred six thousand, one hundred four".