90838858 has 8 divisors (see below), whose sum is σ = 148645440. Its totient is φ = 41290380.

The previous prime is 90838843. The next prime is 90838877. The reversal of 90838858 is 85883809.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064498 + ... + 2064541.

It is an arithmetic number, because the mean of its divisors is an integer number (18580680).

Almost surely, 2^90838858 is an apocalyptic number.

90838858 is a deficient number, since it is larger than the sum of its proper divisors (57806582).

90838858 is a wasteful number, since it uses less digits than its factorization.

90838858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129052.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 90838858 is about 9530.9421360115. The cubic root of 90838858 is about 449.5284904875.

The spelling of 90838858 in words is "ninety million, eight hundred thirty-eight thousand, eight hundred fifty-eight".