90618332 has 24 divisors (see below), whose sum is σ = 187084800. Its totient is φ = 37583280.

The previous prime is 90618317. The next prime is 90618337. The reversal of 90618332 is 23381609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90618337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51332 + ... + 53067.

It is an arithmetic number, because the mean of its divisors is an integer number (7795200).

Almost surely, 2^90618332 is an apocalyptic number.

It is an amenable number.

90618332 is an abundant number, since it is smaller than the sum of its proper divisors (96466468).

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

90618332 is a wasteful number, since it uses less digits than its factorization.

90618332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104441 (or 104439 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90618332 is about 9519.3661553698. The cubic root of 90618332 is about 449.1644280489.

The spelling of 90618332 in words is "ninety million, six hundred eighteen thousand, three hundred thirty-two".