46642881 has 4 divisors (see below), whose sum is σ = 62190512. Its totient is φ = 31095252.

The previous prime is 46642867. The next prime is 46642901. The reversal of 46642881 is 18824664.

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 46642881 - 2¹⁰ = 46641857 is a prime.

It is a super-2 number, since 2×46642881² = 4351116695960322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46642801) 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, 7773811 + ... + 7773816.

It is an arithmetic number, because the mean of its divisors is an integer number (15547628).

Almost surely, 2^46642881 is an apocalyptic number.

It is an amenable number.

46642881 is a deficient number, since it is larger than the sum of its proper divisors (15547631).

46642881 is a wasteful number, since it uses less digits than its factorization.

46642881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15547630.

The product of its digits is 73728, while the sum is 39.

The square root of 46642881 is about 6829.5593562103. The cubic root of 46642881 is about 359.9662545529.

The spelling of 46642881 in words is "forty-six million, six hundred forty-two thousand, eight hundred eighty-one".