344420402 has 8 divisors (see below), whose sum is σ = 518120496. Its totient is φ = 171713572.

The previous prime is 344420389. The next prime is 344420431. The reversal of 344420402 is 204024443.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247448 + ... + 248835.

It is an arithmetic number, because the mean of its divisors is an integer number (64765062).

Almost surely, 2^344420402 is an apocalyptic number.

344420402 is a deficient number, since it is larger than the sum of its proper divisors (173700094).

344420402 is a wasteful number, since it uses less digits than its factorization.

344420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496632.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 344420402 is about 18558.5668088891. The cubic root of 344420402 is about 700.9649291267.

Adding to 344420402 its reverse (204024443), we get a palindrome (548444845).

The spelling of 344420402 in words is "three hundred forty-four million, four hundred twenty thousand, four hundred two".