90871326 has 96 divisors (see below), whose sum is σ = 250810560. Its totient is φ = 23127552.

The previous prime is 90871303. The next prime is 90871343. The reversal of 90871326 is 62317809.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46546 + ... + 48458.

It is an arithmetic number, because the mean of its divisors is an integer number (2612610).

Almost surely, 2^90871326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90871326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125405280).

90871326 is an abundant number, since it is smaller than the sum of its proper divisors (159939234).

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

90871326 is a wasteful number, since it uses less digits than its factorization.

90871326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 90871326 is about 9532.6452782006. The cubic root of 90871326 is about 449.5820415514.

The spelling of 90871326 in words is "ninety million, eight hundred seventy-one thousand, three hundred twenty-six".