90469292 has 12 divisors (see below), whose sum is σ = 162600480. Its totient is φ = 44012016.

The previous prime is 90469289. The next prime is 90469297. The reversal of 90469292 is 29296409.

It is a super-4 number, since 4×90469292⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (90469297) 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, 305492 + ... + 305787.

It is an arithmetic number, because the mean of its divisors is an integer number (13550040).

Almost surely, 2^90469292 is an apocalyptic number.

It is an amenable number.

90469292 is a deficient number, since it is larger than the sum of its proper divisors (72131188).

90469292 is a wasteful number, since it uses less digits than its factorization.

90469292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611320 (or 611318 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 90469292 is about 9511.5346816379. The cubic root of 90469292 is about 448.9180459645.

The spelling of 90469292 in words is "ninety million, four hundred sixty-nine thousand, two hundred ninety-two".