344844387 has 6 divisors (see below), whose sum is σ = 498108572. Its totient is φ = 229896252.

The previous prime is 344844347. The next prime is 344844397. The reversal of 344844387 is 783448443.

It is not a de Polignac number, because 344844387 - 2⁶ = 344844323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344844347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19158013 + ... + 19158030.

Almost surely, 2^344844387 is an apocalyptic number.

344844387 is a deficient number, since it is larger than the sum of its proper divisors (153264185).

344844387 is a wasteful number, since it uses less digits than its factorization.

344844387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38316049 (or 38316046 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 344844387 is about 18569.9861873939. The cubic root of 344844387 is about 701.2524428218.

The spelling of 344844387 in words is "three hundred forty-four million, eight hundred forty-four thousand, three hundred eighty-seven".