91443342 has 16 divisors (see below), whose sum is σ = 185617152. Its totient is φ = 30026040.

The previous prime is 91443307. The next prime is 91443343. The reversal of 91443342 is 24334419.

It is a super-2 number, since 2×91443342² = 16723769592257928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91443343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113334 + ... + 114137.

It is an arithmetic number, because the mean of its divisors is an integer number (11601072).

Almost surely, 2^91443342 is an apocalyptic number.

91443342 is an abundant number, since it is smaller than the sum of its proper divisors (94173810).

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

91443342 is a wasteful number, since it uses less digits than its factorization.

91443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227543.

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

The square root of 91443342 is about 9562.6012151506. The cubic root of 91443342 is about 450.5234107198.

The spelling of 91443342 in words is "ninety-one million, four hundred forty-three thousand, three hundred forty-two".