90493386 has 8 divisors (see below), whose sum is σ = 180986784. Its totient is φ = 30164460.

The previous prime is 90493373. The next prime is 90493399. The reversal of 90493386 is 68339409.

It is an interprime number because it is at equal distance from previous prime (90493373) and next prime (90493399).

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

90493386 is an admirable number.

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, 7541110 + ... + 7541121.

It is an arithmetic number, because the mean of its divisors is an integer number (22623348).

Almost surely, 2^90493386 is an apocalyptic number.

90493386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90493386 is a wasteful number, since it uses less digits than its factorization.

90493386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082236.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 90493386 is about 9512.8011647464. The cubic root of 90493386 is about 448.9578947393.

The spelling of 90493386 in words is "ninety million, four hundred ninety-three thousand, three hundred eighty-six".