90447336 has 144 divisors (see below), whose sum is σ = 294503040. Its totient is φ = 24978240.

The previous prime is 90447311. The next prime is 90447349. The reversal of 90447336 is 63374409.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 90447336.

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 35 ways as a sum of consecutive naturals, for example, 108955 + ... + 109781.

It is an arithmetic number, because the mean of its divisors is an integer number (2045160).

Almost surely, 2^90447336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90447336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147251520).

90447336 is an abundant number, since it is smaller than the sum of its proper divisors (204055704).

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

90447336 is a wasteful number, since it uses less digits than its factorization.

90447336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 90447336 is about 9510.3804340310. The cubic root of 90447336 is about 448.8817270403.

The spelling of 90447336 in words is "ninety million, four hundred forty-seven thousand, three hundred thirty-six".