90893478 has 16 divisors (see below), whose sum is σ = 195770736. Its totient is φ = 27967200.

The previous prime is 90893461. The next prime is 90893489. The reversal of 90893478 is 87439809.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582573 + ... + 582728.

It is an arithmetic number, because the mean of its divisors is an integer number (12235671).

Almost surely, 2^90893478 is an apocalyptic number.

90893478 is an abundant number, since it is smaller than the sum of its proper divisors (104877258).

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

90893478 is a wasteful number, since it uses less digits than its factorization.

90893478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165319.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 90893478 is about 9533.8071094395. The cubic root of 90893478 is about 449.6185706110.

The spelling of 90893478 in words is "ninety million, eight hundred ninety-three thousand, four hundred seventy-eight".