90916854 has 24 divisors (see below), whose sum is σ = 211521528. Its totient is φ = 25976160.

The previous prime is 90916853. The next prime is 90916883. The reversal of 90916854 is 45861909.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90916853) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 154327 + ... + 154914.

It is an arithmetic number, because the mean of its divisors is an integer number (8813397).

Almost surely, 2^90916854 is an apocalyptic number.

90916854 is an abundant number, since it is smaller than the sum of its proper divisors (120604674).

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

90916854 is a wasteful number, since it uses less digits than its factorization.

90916854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309260 (or 309253 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 90916854 is about 9535.0329836871. The cubic root of 90916854 is about 449.6571116338.

The spelling of 90916854 in words is "ninety million, nine hundred sixteen thousand, eight hundred fifty-four".