90369952 has 24 divisors (see below), whose sum is σ = 179683812. Its totient is φ = 44736000.

The previous prime is 90369949. The next prime is 90369959. The reversal of 90369952 is 25996309.

It can be written as a sum of positive squares in 2 ways, for example, as 88284816 + 2085136 = 9396^2 + 1444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90369899 and 90369908.

It is not an unprimeable number, because it can be changed into a prime (90369959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10749 + ... + 17212.

Almost surely, 2^90369952 is an apocalyptic number.

It is an amenable number.

90369952 is a deficient number, since it is larger than the sum of its proper divisors (89313860).

90369952 is a wasteful number, since it uses less digits than its factorization.

90369952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28072 (or 28064 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 90369952 is about 9506.3111667986. The cubic root of 90369952 is about 448.7536739793.

The spelling of 90369952 in words is "ninety million, three hundred sixty-nine thousand, nine hundred fifty-two".