46131921 has 24 divisors (see below), whose sum is σ = 73894080. Its totient is φ = 27496800.

The previous prime is 46131919. The next prime is 46131941. The reversal of 46131921 is 12913164.

It is not a de Polignac number, because 46131921 - 2¹ = 46131919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46131901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2220 + ... + 9858.

It is an arithmetic number, because the mean of its divisors is an integer number (3078920).

Almost surely, 2^46131921 is an apocalyptic number.

It is an amenable number.

46131921 is a deficient number, since it is larger than the sum of its proper divisors (27762159).

46131921 is a wasteful number, since it uses less digits than its factorization.

46131921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717 (or 7714 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 46131921 is about 6792.0483655522. The cubic root of 46131921 is about 358.6469813910.

The spelling of 46131921 in words is "forty-six million, one hundred thirty-one thousand, nine hundred twenty-one".