46987861 has 4 divisors (see below), whose sum is σ = 47096812. Its totient is φ = 46878912.

The previous prime is 46987799. The next prime is 46987883. The reversal of 46987861 is 16878964.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20875761 + 26112100 = 4569^2 + 5110^2 .

It is a cyclic number.

It is not a de Polignac number, because 46987861 - 2⁹ = 46987349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46987561) 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, 53826 + ... + 54691.

It is an arithmetic number, because the mean of its divisors is an integer number (11774203).

Almost surely, 2^46987861 is an apocalyptic number.

It is an amenable number.

46987861 is a deficient number, since it is larger than the sum of its proper divisors (108951).

46987861 is a wasteful number, since it uses less digits than its factorization.

46987861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108950.

The product of its digits is 580608, while the sum is 49.

The square root of 46987861 is about 6854.7692156629. The cubic root of 46987861 is about 360.8515361615.

The spelling of 46987861 in words is "forty-six million, nine hundred eighty-seven thousand, eight hundred sixty-one".