91983048 has 16 divisors (see below), whose sum is σ = 229957680. Its totient is φ = 30661008.

The previous prime is 91983011. The next prime is 91983061. The reversal of 91983048 is 84038919.

It is a super-2 number, since 2×91983048² = 16921762238740608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916290 + ... + 1916337.

It is an arithmetic number, because the mean of its divisors is an integer number (14372355).

Almost surely, 2^91983048 is an apocalyptic number.

It is an amenable number.

91983048 is an abundant number, since it is smaller than the sum of its proper divisors (137974632).

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

91983048 is a wasteful number, since it uses less digits than its factorization.

91983048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832636 (or 3832632 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 91983048 is about 9590.7793218278. The cubic root of 91983048 is about 451.4080145300.

It can be divided in two parts, 9198 and 3048, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 91983048 in words is "ninety-one million, nine hundred eighty-three thousand, forty-eight".