91396284 has 96 divisors (see below), whose sum is σ = 267079680. Its totient is φ = 23718912.

The previous prime is 91396243. The next prime is 91396303. The reversal of 91396284 is 48269319.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40309 + ... + 42515.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^91396284 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 91396284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133539840).

91396284 is an abundant number, since it is smaller than the sum of its proper divisors (175683396).

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

91396284 is a wasteful number, since it uses less digits than its factorization.

91396284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2265 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 91396284 is about 9560.1403755384. The cubic root of 91396284 is about 450.4461156138.

The spelling of 91396284 in words is "ninety-one million, three hundred ninety-six thousand, two hundred eighty-four".