46669881 has 4 divisors (see below), whose sum is σ = 62226512. Its totient is φ = 31113252.

The previous prime is 46669877. The next prime is 46669897. The reversal of 46669881 is 18896664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 46669881 - 2² = 46669877 is a prime.

It is a super-2 number, since 2×46669881² = 4356155585108322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46669881.

It is not an unprimeable number, because it can be changed into a prime (46669801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7778311 + ... + 7778316.

It is an arithmetic number, because the mean of its divisors is an integer number (15556628).

Almost surely, 2^46669881 is an apocalyptic number.

It is an amenable number.

46669881 is a deficient number, since it is larger than the sum of its proper divisors (15556631).

46669881 is a wasteful number, since it uses less digits than its factorization.

46669881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556630.

The product of its digits is 497664, while the sum is 48.

The square root of 46669881 is about 6831.5357716988. The cubic root of 46669881 is about 360.0356986204.

The spelling of 46669881 in words is "forty-six million, six hundred sixty-nine thousand, eight hundred eighty-one".