91283952 has 20 divisors (see below), whose sum is σ = 235817000. Its totient is φ = 30427968.

The previous prime is 91283893. The next prime is 91283957. The reversal of 91283952 is 25938219.

It is a self number, because there is not a number n which added to its sum of digits gives 91283952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91283957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950827 + ... + 950922.

It is an arithmetic number, because the mean of its divisors is an integer number (11790850).

Almost surely, 2^91283952 is an apocalyptic number.

It is an amenable number.

91283952 is an abundant number, since it is smaller than the sum of its proper divisors (144533048).

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

91283952 is a wasteful number, since it uses less digits than its factorization.

91283952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901760 (or 1901754 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 91283952 is about 9554.2635508971. The cubic root of 91283952 is about 450.2614973958.

It can be divided in two parts, 91283 and 952, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 91283952 in words is "ninety-one million, two hundred eighty-three thousand, nine hundred fifty-two".