344660406 has 8 divisors (see below), whose sum is σ = 689320824. Its totient is φ = 114886800.

The previous prime is 344660401. The next prime is 344660411. The reversal of 344660406 is 604066443.

It is an interprime number because it is at equal distance from previous prime (344660401) and next prime (344660411).

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

344660406 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344660401) 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, 28721695 + ... + 28721706.

It is an arithmetic number, because the mean of its divisors is an integer number (86165103).

Almost surely, 2^344660406 is an apocalyptic number.

344660406 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.

344660406 is a wasteful number, since it uses less digits than its factorization.

344660406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57443406.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 344660406 is about 18565.0318071368. The cubic root of 344660406 is about 701.1277101581.

The spelling of 344660406 in words is "three hundred forty-four million, six hundred sixty thousand, four hundred six".