91490424 has 32 divisors (see below), whose sum is σ = 236106240. Its totient is φ = 29512800.

The previous prime is 91490411. The next prime is 91490459. The reversal of 91490424 is 42409419.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60742 + ... + 62229.

It is an arithmetic number, because the mean of its divisors is an integer number (7378320).

Almost surely, 2^91490424 is an apocalyptic number.

It is an amenable number.

91490424 is an abundant number, since it is smaller than the sum of its proper divisors (144615816).

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

91490424 is a wasteful number, since it uses less digits than its factorization.

91490424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123011 (or 123007 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 91490424 is about 9565.0626762191. The cubic root of 91490424 is about 450.6007187131.

The spelling of 91490424 in words is "ninety-one million, four hundred ninety thousand, four hundred twenty-four".