408830785 has 8 divisors (see below), whose sum is σ = 535196736. Its totient is φ = 297331440.

The previous prime is 408830783. The next prime is 408830791. The reversal of 408830785 is 587038804.

It is a happy number.

408830785 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 408830785 - 2¹ = 408830783 is a prime.

It is a super-2 number, since 2×408830785² = 334285221527432450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408830783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716589 + ... + 3716698.

It is an arithmetic number, because the mean of its divisors is an integer number (66899592).

Almost surely, 2^408830785 is an apocalyptic number.

It is an amenable number.

408830785 is a deficient number, since it is larger than the sum of its proper divisors (126365951).

408830785 is a wasteful number, since it uses less digits than its factorization.

408830785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433303.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 408830785 is about 20219.5644117276. The cubic root of 408830785 is about 742.1890288589.

The spelling of 408830785 in words is "four hundred eight million, eight hundred thirty thousand, seven hundred eighty-five".