90389374 has 16 divisors (see below), whose sum is σ = 144072000. Its totient is φ = 42531552.

The previous prime is 90389371. The next prime is 90389389. The reversal of 90389374 is 47398309.

It is a super-2 number, since 2×90389374² = 16340477864223752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90389374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90389371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5227 + ... + 14425.

It is an arithmetic number, because the mean of its divisors is an integer number (9004500).

Almost surely, 2^90389374 is an apocalyptic number.

90389374 is a deficient number, since it is larger than the sum of its proper divisors (53682626).

90389374 is an equidigital number, since it uses as much as digits as its factorization.

90389374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252 (or 9218 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 90389374 is about 9507.3326438071. The cubic root of 90389374 is about 448.7858198764.

The spelling of 90389374 in words is "ninety million, three hundred eighty-nine thousand, three hundred seventy-four".