46138831 has 4 divisors (see below), whose sum is σ = 46154664. Its totient is φ = 46123000.

The previous prime is 46138823. The next prime is 46138849. The reversal of 46138831 is 13883164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46138831 - 2³ = 46138823 is a prime.

It is a super-2 number, since 2×46138831² = 4257583452093122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46138811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140 + ... + 9841.

It is an arithmetic number, because the mean of its divisors is an integer number (11538666).

Almost surely, 2^46138831 is an apocalyptic number.

46138831 is a deficient number, since it is larger than the sum of its proper divisors (15833).

46138831 is a wasteful number, since it uses less digits than its factorization.

46138831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832.

The product of its digits is 13824, while the sum is 34.

The square root of 46138831 is about 6792.5570295729. The cubic root of 46138831 is about 358.6648874804.

The spelling of 46138831 in words is "forty-six million, one hundred thirty-eight thousand, eight hundred thirty-one".