461979685 has 16 divisors (see below), whose sum is σ = 567286272. Its totient is φ = 361008000.

The previous prime is 461979643. The next prime is 461979691. The reversal of 461979685 is 586979164.

It is not a de Polignac number, because 461979685 - 2¹³ = 461971493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 139600 + ... + 142870.

It is an arithmetic number, because the mean of its divisors is an integer number (35455392).

Almost surely, 2^461979685 is an apocalyptic number.

It is an amenable number.

461979685 is a deficient number, since it is larger than the sum of its proper divisors (105306587).

461979685 is a wasteful number, since it uses less digits than its factorization.

461979685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its digits is 3265920, while the sum is 55.

The square root of 461979685 is about 21493.7126853413. The cubic root of 461979685 is about 773.0500741025.

The spelling of 461979685 in words is "four hundred sixty-one million, nine hundred seventy-nine thousand, six hundred eighty-five".