90485970 has 16 divisors (see below), whose sum is σ = 217166400. Its totient is φ = 24129584.

The previous prime is 90485957. The next prime is 90485981. The reversal of 90485970 is 7958409.

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 in 7 ways as a sum of consecutive naturals, for example, 1508070 + ... + 1508129.

It is an arithmetic number, because the mean of its divisors is an integer number (13572900).

Almost surely, 2^90485970 is an apocalyptic number.

90485970 is an abundant number, since it is smaller than the sum of its proper divisors (126680430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90485970 is a wasteful number, since it uses less digits than its factorization.

90485970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016209.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 90485970 is about 9512.4113662099. The cubic root of 90485970 is about 448.9456302603.

The spelling of 90485970 in words is "ninety million, four hundred eighty-five thousand, nine hundred seventy".