90875646 has 12 divisors (see below), whose sum is σ = 196897272. Its totient is φ = 30291876.

The previous prime is 90875633. The next prime is 90875683. The reversal of 90875646 is 64657809.

90875646 is a `hidden beast` number, since 9 + 0 + 87 + 564 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2524306 + ... + 2524341.

It is an arithmetic number, because the mean of its divisors is an integer number (16408106).

Almost surely, 2^90875646 is an apocalyptic number.

90875646 is an abundant number, since it is smaller than the sum of its proper divisors (106021626).

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

90875646 is a wasteful number, since it uses less digits than its factorization.

90875646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048655 (or 5048652 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 90875646 is about 9532.8718652880. The cubic root of 90875646 is about 449.5891657776.

The spelling of 90875646 in words is "ninety million, eight hundred seventy-five thousand, six hundred forty-six".