406490339 has 8 divisors (see below), whose sum is σ = 426976512. Its totient is φ = 386238600.

The previous prime is 406490333. The next prime is 406490341. The reversal of 406490339 is 933094604.

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

It is a cyclic number.

It is not a de Polignac number, because 406490339 - 2⁸ = 406490083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406490333) 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, 55049 + ... + 61994.

It is an arithmetic number, because the mean of its divisors is an integer number (53372064).

Almost surely, 2^406490339 is an apocalyptic number.

406490339 is a deficient number, since it is larger than the sum of its proper divisors (20486173).

406490339 is a wasteful number, since it uses less digits than its factorization.

406490339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117217.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 406490339 is about 20161.6055660257. The cubic root of 406490339 is about 740.7700402774.

The spelling of 406490339 in words is "four hundred six million, four hundred ninety thousand, three hundred thirty-nine".