90036252 has 24 divisors (see below), whose sum is σ = 233427600. Its totient is φ = 30012048.

The previous prime is 90036251. The next prime is 90036299. The reversal of 90036252 is 25263009.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90036251) 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, 416727 + ... + 416942.

It is an arithmetic number, because the mean of its divisors is an integer number (9726150).

Almost surely, 2^90036252 is an apocalyptic number.

It is an amenable number.

90036252 is an abundant number, since it is smaller than the sum of its proper divisors (143391348).

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

90036252 is a wasteful number, since it uses less digits than its factorization.

90036252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833682 (or 833674 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 90036252 is about 9488.7434363039. The cubic root of 90036252 is about 448.2006369064.

The spelling of 90036252 in words is "ninety million, thirty-six thousand, two hundred fifty-two".