90539232 has 48 divisors (see below), whose sum is σ = 271619712. Its totient is φ = 25868160.

The previous prime is 90539221. The next prime is 90539233. The reversal of 90539232 is 23293509.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×90539232² = 16394705062299648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90539193 and 90539202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90539233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66694 + ... + 68037.

It is an arithmetic number, because the mean of its divisors is an integer number (5658744).

Almost surely, 2^90539232 is an apocalyptic number.

It is an amenable number.

90539232 is an abundant number, since it is smaller than the sum of its proper divisors (181080480).

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

90539232 is a wasteful number, since it uses less digits than its factorization.

90539232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134751 (or 134743 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 90539232 is about 9515.2105599403. The cubic root of 90539232 is about 449.0336993537.

The spelling of 90539232 in words is "ninety million, five hundred thirty-nine thousand, two hundred thirty-two".