90273906 has 16 divisors (see below), whose sum is σ = 200608800. Its totient is φ = 30091284.

The previous prime is 90273889. The next prime is 90273929. The reversal of 90273906 is 60937209.

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, 835816 + ... + 835923.

It is an arithmetic number, because the mean of its divisors is an integer number (12538050).

Almost surely, 2^90273906 is an apocalyptic number.

90273906 is an abundant number, since it is smaller than the sum of its proper divisors (110334894).

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

90273906 is a wasteful number, since it uses less digits than its factorization.

90273906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671750 (or 1671744 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90273906 is about 9501.2581272166. The cubic root of 90273906 is about 448.5946378070.

The spelling of 90273906 in words is "ninety million, two hundred seventy-three thousand, nine hundred six".