408020846 has 8 divisors (see below), whose sum is σ = 615569544. Its totient is φ = 202831000.

The previous prime is 408020843. The next prime is 408020903. The reversal of 408020846 is 648020804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408020843) 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, 589280 + ... + 589971.

It is an arithmetic number, because the mean of its divisors is an integer number (76946193).

Almost surely, 2^408020846 is an apocalyptic number.

408020846 is a deficient number, since it is larger than the sum of its proper divisors (207548698).

408020846 is a wasteful number, since it uses less digits than its factorization.

408020846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179426.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 408020846 is about 20199.5258855251. The cubic root of 408020846 is about 741.6985853255.

The spelling of 408020846 in words is "four hundred eight million, twenty thousand, eight hundred forty-six".