90918562 has 8 divisors (see below), whose sum is σ = 155860416. Its totient is φ = 38965092.

The previous prime is 90918547. The next prime is 90918571. The reversal of 90918562 is 26581909.

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

It is a super-2 number, since 2×90918562² = 16532369832295688, which contains 22 as substring.

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, 3247078 + ... + 3247105.

It is an arithmetic number, because the mean of its divisors is an integer number (19482552).

Almost surely, 2^90918562 is an apocalyptic number.

90918562 is a deficient number, since it is larger than the sum of its proper divisors (64941854).

90918562 is a wasteful number, since it uses less digits than its factorization.

90918562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494192.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 90918562 is about 9535.1225477180. The cubic root of 90918562 is about 449.6599274283.

The spelling of 90918562 in words is "ninety million, nine hundred eighteen thousand, five hundred sixty-two".