91842043 has 8 divisors (see below), whose sum is σ = 95158080. Its totient is φ = 88536000.

The previous prime is 91842019. The next prime is 91842083. The reversal of 91842043 is 34024819.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91842043 - 2¹³ = 91833851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91841996 and 91842014.

It is not an unprimeable number, because it can be changed into a prime (91842083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19671 + ... + 23887.

It is an arithmetic number, because the mean of its divisors is an integer number (11894760).

Almost surely, 2^91842043 is an apocalyptic number.

91842043 is a deficient number, since it is larger than the sum of its proper divisors (3316037).

91842043 is a wasteful number, since it uses less digits than its factorization.

91842043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 91842043 is about 9583.4254314415. The cubic root of 91842043 is about 451.1772352701.

The spelling of 91842043 in words is "ninety-one million, eight hundred forty-two thousand, forty-three".