90477432 has 64 divisors (see below), whose sum is σ = 258141600. Its totient is φ = 29341440.

The previous prime is 90477407. The next prime is 90477473. The reversal of 90477432 is 23477409.

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

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2332 + ... + 13652.

Almost surely, 2^90477432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90477432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129070800).

90477432 is an abundant number, since it is smaller than the sum of its proper divisors (167664168).

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

90477432 is a wasteful number, since it uses less digits than its factorization.

90477432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373 (or 11363 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 90477432 is about 9511.9625735176. The cubic root of 90477432 is about 448.9315094032.

It can be divided in two parts, 90477 and 432, that added together give a palindrome (90909).

The spelling of 90477432 in words is "ninety million, four hundred seventy-seven thousand, four hundred thirty-two".