90869502 has 8 divisors (see below), whose sum is σ = 181739016. Its totient is φ = 30289832.

The previous prime is 90869501. The next prime is 90869509. The reversal of 90869502 is 20596809.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

90869502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90869501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7572453 + ... + 7572464.

It is an arithmetic number, because the mean of its divisors is an integer number (22717377).

Almost surely, 2^90869502 is an apocalyptic number.

90869502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90869502 is a wasteful number, since it uses less digits than its factorization.

90869502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144922.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 90869502 is about 9532.5496064799. The cubic root of 90869502 is about 449.5790334770.

The spelling of 90869502 in words is "ninety million, eight hundred sixty-nine thousand, five hundred two".