91434442 has 16 divisors (see below), whose sum is σ = 151516800. Its totient is φ = 41034240.

The previous prime is 91434401. The next prime is 91434451. The reversal of 91434442 is 24443419.

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, 24567 + ... + 28042.

It is an arithmetic number, because the mean of its divisors is an integer number (9469800).

Almost surely, 2^91434442 is an apocalyptic number.

91434442 is a deficient number, since it is larger than the sum of its proper divisors (60082358).

91434442 is a wasteful number, since it uses less digits than its factorization.

91434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52701.

The product of its digits is 13824, while the sum is 31.

The square root of 91434442 is about 9562.1358492755. The cubic root of 91434442 is about 450.5087940607.

The spelling of 91434442 in words is "ninety-one million, four hundred thirty-four thousand, four hundred forty-two".