90604855 has 8 divisors (see below), whose sum is σ = 118610064. Its totient is φ = 65894400.

The previous prime is 90604853. The next prime is 90604859. The reversal of 90604855 is 55840609.

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

It is not a de Polignac number, because 90604855 - 2¹ = 90604853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90604853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823626 + ... + 823735.

It is an arithmetic number, because the mean of its divisors is an integer number (14826258).

Almost surely, 2^90604855 is an apocalyptic number.

90604855 is a deficient number, since it is larger than the sum of its proper divisors (28005209).

90604855 is a wasteful number, since it uses less digits than its factorization.

90604855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647377.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 90604855 is about 9518.6582562880. The cubic root of 90604855 is about 449.1421599678.

The spelling of 90604855 in words is "ninety million, six hundred four thousand, eight hundred fifty-five".