90858036 has 24 divisors (see below), whose sum is σ = 215479264. Its totient is φ = 29789280.

The previous prime is 90858023. The next prime is 90858037. The reversal of 90858036 is 63085809.

It is a junction number, because it is equal to n+sod(n) for n = 90857985 and 90858003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90858037) 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, 61330 + ... + 62793.

Almost surely, 2^90858036 is an apocalyptic number.

It is an amenable number.

90858036 is an abundant number, since it is smaller than the sum of its proper divisors (124621228).

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

90858036 is a wasteful number, since it uses less digits than its factorization.

90858036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124191 (or 124189 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90858036 is about 9531.9481744290. The cubic root of 90858036 is about 449.5601232453.

It can be divided in two parts, 9085803 and 6, that added together give a palindrome (9085809).

The spelling of 90858036 in words is "ninety million, eight hundred fifty-eight thousand, thirty-six".