344009902 has 4 divisors (see below), whose sum is σ = 516014856. Its totient is φ = 172004950.

The previous prime is 344009899. The next prime is 344009921. The reversal of 344009902 is 209900443.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86002474 + ... + 86002477.

It is an arithmetic number, because the mean of its divisors is an integer number (129003714).

Almost surely, 2^344009902 is an apocalyptic number.

344009902 is a deficient number, since it is larger than the sum of its proper divisors (172004954).

344009902 is a wasteful number, since it uses less digits than its factorization.

344009902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172004953.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 344009902 is about 18547.5039291005. The cubic root of 344009902 is about 700.6863350066.

The spelling of 344009902 in words is "three hundred forty-four million, nine thousand, nine hundred two".