344411387 has 4 divisors (see below), whose sum is σ = 345721200. Its totient is φ = 343101576.

The previous prime is 344411383. The next prime is 344411393. The reversal of 344411387 is 783114443.

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

It is a cyclic number.

It is not a de Polignac number, because 344411387 - 2² = 344411383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344411383) 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, 654512 + ... + 655037.

It is an arithmetic number, because the mean of its divisors is an integer number (86430300).

Almost surely, 2^344411387 is an apocalyptic number.

344411387 is a deficient number, since it is larger than the sum of its proper divisors (1309813).

344411387 is a wasteful number, since it uses less digits than its factorization.

344411387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309812.

The product of its digits is 32256, while the sum is 35.

The square root of 344411387 is about 18558.3239275534. The cubic root of 344411387 is about 700.9588132928.

The spelling of 344411387 in words is "three hundred forty-four million, four hundred eleven thousand, three hundred eighty-seven".