408856079 has 4 divisors (see below), whose sum is σ = 430374840. Its totient is φ = 387337320.

The previous prime is 408856061. The next prime is 408856111. The reversal of 408856079 is 970658804.

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

It is a cyclic number.

It is not a de Polignac number, because 408856079 - 2⁸ = 408855823 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 (408856039) 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, 10759352 + ... + 10759389.

It is an arithmetic number, because the mean of its divisors is an integer number (107593710).

Almost surely, 2^408856079 is an apocalyptic number.

408856079 is a deficient number, since it is larger than the sum of its proper divisors (21518761).

408856079 is a wasteful number, since it uses less digits than its factorization.

408856079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518760.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 408856079 is about 20220.1898853596. The cubic root of 408856079 is about 742.2043347367.

It can be divided in two parts, 40885 and 6079, that added together give a palindrome (46964).

The spelling of 408856079 in words is "four hundred eight million, eight hundred fifty-six thousand, seventy-nine".