90865474 has 8 divisors (see below), whose sum is σ = 155769408. Its totient is φ = 38942340.

The previous prime is 90865469. The next prime is 90865499. The reversal of 90865474 is 47456809.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90865474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245182 + ... + 3245209.

It is an arithmetic number, because the mean of its divisors is an integer number (19471176).

Almost surely, 2^90865474 is an apocalyptic number.

90865474 is a deficient number, since it is larger than the sum of its proper divisors (64903934).

90865474 is a wasteful number, since it uses less digits than its factorization.

90865474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490400.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 90865474 is about 9532.3383280284. The cubic root of 90865474 is about 449.5723905035.

The spelling of 90865474 in words is "ninety million, eight hundred sixty-five thousand, four hundred seventy-four".