91433442 has 16 divisors (see below), whose sum is σ = 183012480. Its totient is φ = 30453552.

The previous prime is 91433411. The next prime is 91433473. The reversal of 91433442 is 24433419.

It is an interprime number because it is at equal distance from previous prime (91433411) and next prime (91433473).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3184 + ... + 13892.

It is an arithmetic number, because the mean of its divisors is an integer number (11438280).

Almost surely, 2^91433442 is an apocalyptic number.

91433442 is an abundant number, since it is smaller than the sum of its proper divisors (91579038).

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

91433442 is a wasteful number, since it uses less digits than its factorization.

91433442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137.

The product of its digits is 10368, while the sum is 30.

The square root of 91433442 is about 9562.0835595596. The cubic root of 91433442 is about 450.5071516802.

The spelling of 91433442 in words is "ninety-one million, four hundred thirty-three thousand, four hundred forty-two".