344391004 has 12 divisors (see below), whose sum is σ = 608018544. Its totient is φ = 170671424.

The previous prime is 344390993. The next prime is 344391013. The reversal of 344391004 is 400193443.

It is a super-2 number, since 2×344391004² = 237210327272256032, which contains 22 as substring.

It is a congruent number.

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, 380512 + ... + 381415.

It is an arithmetic number, because the mean of its divisors is an integer number (50668212).

Almost surely, 2^344391004 is an apocalyptic number.

It is an amenable number.

344391004 is a deficient number, since it is larger than the sum of its proper divisors (263627540).

344391004 is a wasteful number, since it uses less digits than its factorization.

344391004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762044 (or 762042 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 344391004 is about 18557.7747588443. The cubic root of 344391004 is about 700.9449849411.

The spelling of 344391004 in words is "three hundred forty-four million, three hundred ninety-one thousand, four".