406977882 has 8 divisors (see below), whose sum is σ = 813955776. Its totient is φ = 135659292.

The previous prime is 406977877. The next prime is 406977887. The reversal of 406977882 is 288779604.

It is an interprime number because it is at equal distance from previous prime (406977877) and next prime (406977887).

It is a sphenic number, since it is the product of 3 distinct primes.

406977882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (406977887) 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, 33914818 + ... + 33914829.

It is an arithmetic number, because the mean of its divisors is an integer number (101744472).

Almost surely, 2^406977882 is an apocalyptic number.

406977882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406977882 is a wasteful number, since it uses less digits than its factorization.

406977882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67829652.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 406977882 is about 20173.6928201061. The cubic root of 406977882 is about 741.0660808955.

The spelling of 406977882 in words is "four hundred six million, nine hundred seventy-seven thousand, eight hundred eighty-two".