90487032 has 64 divisors (see below), whose sum is σ = 233694720. Its totient is φ = 29180928.

The previous prime is 90487031. The next prime is 90487043. The reversal of 90487032 is 23078409.

It is a junction number, because it is equal to n+sod(n) for n = 90486984 and 90487002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90487031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109003 + ... + 109829.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^90487032 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 90487032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116847360).

90487032 is an abundant number, since it is smaller than the sum of its proper divisors (143207688).

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

90487032 is a wasteful number, since it uses less digits than its factorization.

90487032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 90487032 is about 9512.4671878541. The cubic root of 90487032 is about 448.9473866225.

The spelling of 90487032 in words is "ninety million, four hundred eighty-seven thousand, thirty-two".