46881631 has 4 divisors (see below), whose sum is σ = 49639392. Its totient is φ = 44123872.

The previous prime is 46881623. The next prime is 46881649. The reversal of 46881631 is 13618864.

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 46881631 - 2³ = 46881623 is a prime.

It is a super-2 number, since 2×46881631² = 4395774650440322, 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 (46881671) 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 3 ways as a sum of consecutive naturals, for example, 1378855 + ... + 1378888.

It is an arithmetic number, because the mean of its divisors is an integer number (12409848).

Almost surely, 2^46881631 is an apocalyptic number.

46881631 is a deficient number, since it is larger than the sum of its proper divisors (2757761).

46881631 is a wasteful number, since it uses less digits than its factorization.

46881631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757760.

The product of its digits is 27648, while the sum is 37.

The square root of 46881631 is about 6847.0162114603. The cubic root of 46881631 is about 360.5793936541.

The spelling of 46881631 in words is "forty-six million, eight hundred eighty-one thousand, six hundred thirty-one".