90825044 has 12 divisors (see below), whose sum is σ = 159058368. Its totient is φ = 45379800.

The previous prime is 90825043. The next prime is 90825079. The reversal of 90825044 is 44052809.

It is a self number, because there is not a number n which added to its sum of digits gives 90825044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90825041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1292 + ... + 13539.

It is an arithmetic number, because the mean of its divisors is an integer number (13254864).

Almost surely, 2^90825044 is an apocalyptic number.

It is an amenable number.

90825044 is a deficient number, since it is larger than the sum of its proper divisors (68233324).

90825044 is a wasteful number, since it uses less digits than its factorization.

90825044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16366 (or 16364 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 90825044 is about 9530.2174161978. The cubic root of 90825044 is about 449.5057025107.

It can be divided in two parts, 908 and 25044, that added together give a palindrome (25952).

The spelling of 90825044 in words is "ninety million, eight hundred twenty-five thousand, forty-four".