46681891 has 8 divisors (see below), whose sum is σ = 47138000. Its totient is φ = 46228320.

The previous prime is 46681871. The next prime is 46681913. The reversal of 46681891 is 19818664.

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 46681891 - 2²¹ = 44584739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46681871) 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, 62800 + ... + 63538.

It is an arithmetic number, because the mean of its divisors is an integer number (5892250).

Almost surely, 2^46681891 is an apocalyptic number.

46681891 is a deficient number, since it is larger than the sum of its proper divisors (456109).

46681891 is a wasteful number, since it uses less digits than its factorization.

46681891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its digits is 82944, while the sum is 43.

The square root of 46681891 is about 6832.4147268737. The cubic root of 46681891 is about 360.0665797639.

The spelling of 46681891 in words is "forty-six million, six hundred eighty-one thousand, eight hundred ninety-one".