90943146 has 48 divisors (see below), whose sum is σ = 225723264. Its totient is φ = 25922592.

The previous prime is 90943123. The next prime is 90943147. The reversal of 90943146 is 64134909.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90943146.

It is not an unprimeable number, because it can be changed into a prime (90943147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103260 + ... + 104136.

It is an arithmetic number, because the mean of its divisors is an integer number (4702568).

Almost surely, 2^90943146 is an apocalyptic number.

90943146 is an abundant number, since it is smaller than the sum of its proper divisors (134780118).

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

90943146 is a wasteful number, since it uses less digits than its factorization.

90943146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 90943146 is about 9536.4115892719. The cubic root of 90943146 is about 449.7004524990.

The spelling of 90943146 in words is "ninety million, nine hundred forty-three thousand, one hundred forty-six".