90837394 has 8 divisors (see below), whose sum is σ = 138289968. Its totient is φ = 44740740.

The previous prime is 90837391. The next prime is 90837401. The reversal of 90837394 is 49373809.

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

It is a super-2 number, since 2×90837394² = 16502864297422472, 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 90837394.

It is not an unprimeable number, because it can be changed into a prime (90837391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338812 + ... + 339079.

It is an arithmetic number, because the mean of its divisors is an integer number (17286246).

Almost surely, 2^90837394 is an apocalyptic number.

90837394 is a deficient number, since it is larger than the sum of its proper divisors (47452574).

90837394 is a wasteful number, since it uses less digits than its factorization.

90837394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677960.

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

The square root of 90837394 is about 9530.8653332213. The cubic root of 90837394 is about 449.5260755399.

The spelling of 90837394 in words is "ninety million, eight hundred thirty-seven thousand, three hundred ninety-four".