91000926 has 24 divisors (see below), whose sum is σ = 205742160. Its totient is φ = 29014656.

The previous prime is 91000919. The next prime is 91000933. The reversal of 91000926 is 62900019.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91000919) and next prime (91000933).

It is a self number, because there is not a number n which added to its sum of digits gives 91000926.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 109491 + ... + 110318.

It is an arithmetic number, because the mean of its divisors is an integer number (8572590).

Almost surely, 2^91000926 is an apocalyptic number.

91000926 is an abundant number, since it is smaller than the sum of its proper divisors (114741234).

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

91000926 is a wasteful number, since it uses less digits than its factorization.

91000926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219840 (or 219837 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 91000926 is about 9539.4405496339. The cubic root of 91000926 is about 449.7956701977.

The spelling of 91000926 in words is "ninety-one million, nine hundred twenty-six", and thus it is an aban number.