90418452 has 12 divisors (see below), whose sum is σ = 210976416. Its totient is φ = 30139480.

The previous prime is 90418441. The next prime is 90418481. The reversal of 90418452 is 25481409.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3767424 + ... + 3767447.

It is an arithmetic number, because the mean of its divisors is an integer number (17581368).

Almost surely, 2^90418452 is an apocalyptic number.

It is an amenable number.

90418452 is an abundant number, since it is smaller than the sum of its proper divisors (120557964).

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

90418452 is a wasteful number, since it uses less digits than its factorization.

90418452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534878 (or 7534876 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 90418452 is about 9508.8617615359. The cubic root of 90418452 is about 448.8339390833.

The spelling of 90418452 in words is "ninety million, four hundred eighteen thousand, four hundred fifty-two".