90356472 has 40 divisors (see below), whose sum is σ = 253083600. Its totient is φ = 30118608.

The previous prime is 90356447. The next prime is 90356473. The reversal of 90356472 is 27465309.

90356472 is a `hidden beast` number, since 9 + 0 + 3 + 5 + 647 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90356473) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69072 + ... + 70367.

It is an arithmetic number, because the mean of its divisors is an integer number (6327090).

Almost surely, 2^90356472 is an apocalyptic number.

It is an amenable number.

90356472 is an abundant number, since it is smaller than the sum of its proper divisors (162727128).

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

90356472 is a wasteful number, since it uses less digits than its factorization.

90356472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139457 (or 139444 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 90356472 is about 9505.6021376870. The cubic root of 90356472 is about 448.7313601453.

It can be divided in two parts, 903 and 56472, that added together give a palindrome (57375).

The spelling of 90356472 in words is "ninety million, three hundred fifty-six thousand, four hundred seventy-two".