90532788 has 24 divisors (see below), whose sum is σ = 211418592. Its totient is φ = 30152544.

The previous prime is 90532787. The next prime is 90532789. The reversal of 90532788 is 88723509.

It is an interprime number because it is at equal distance from previous prime (90532787) and next prime (90532789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90532781) 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, 17206 + ... + 21842.

It is an arithmetic number, because the mean of its divisors is an integer number (8809108).

Almost surely, 2^90532788 is an apocalyptic number.

It is an amenable number.

90532788 is an abundant number, since it is smaller than the sum of its proper divisors (120885804).

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

90532788 is a wasteful number, since it uses less digits than its factorization.

90532788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271 (or 6269 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 90532788 is about 9514.8719381818. The cubic root of 90532788 is about 449.0230459911.

The spelling of 90532788 in words is "ninety million, five hundred thirty-two thousand, seven hundred eighty-eight".