90417876 has 48 divisors (see below), whose sum is σ = 222856704. Its totient is φ = 28474336.

The previous prime is 90417869. The next prime is 90417919. The reversal of 90417876 is 67871409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20935 + ... + 24881.

It is an arithmetic number, because the mean of its divisors is an integer number (4642848).

Almost surely, 2^90417876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90417876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111428352).

90417876 is an abundant number, since it is smaller than the sum of its proper divisors (132438828).

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

90417876 is a wasteful number, since it uses less digits than its factorization.

90417876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 90417876 is about 9508.8314739509. The cubic root of 90417876 is about 448.8329860002.

The spelling of 90417876 in words is "ninety million, four hundred seventeen thousand, eight hundred seventy-six".