91842416 has 20 divisors (see below), whose sum is σ = 178259424. Its totient is φ = 45840000.

The previous prime is 91842407. The next prime is 91842437. The reversal of 91842416 is 61424819.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4841 + ... + 14391.

Almost surely, 2^91842416 is an apocalyptic number.

It is an amenable number.

91842416 is a deficient number, since it is larger than the sum of its proper divisors (86417008).

91842416 is a wasteful number, since it uses less digits than its factorization.

91842416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160 (or 10154 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 91842416 is about 9583.4448921043. Note that the first 3 decimals coincide. The cubic root of 91842416 is about 451.1778460611.

It can be divided in two parts, 918 and 42416, that added together give a palindrome (43334).

The spelling of 91842416 in words is "ninety-one million, eight hundred forty-two thousand, four hundred sixteen".