344997816 has 16 divisors (see below), whose sum is σ = 862494600. Its totient is φ = 114999264.

The previous prime is 344997797. The next prime is 344997817. The reversal of 344997816 is 618799443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344997817) 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, 7187431 + ... + 7187478.

Almost surely, 2^344997816 is an apocalyptic number.

It is an amenable number.

344997816 is an abundant number, since it is smaller than the sum of its proper divisors (517496784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344997816 is a wasteful number, since it uses less digits than its factorization.

344997816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14374918 (or 14374914 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 344997816 is about 18574.1168296100. The cubic root of 344997816 is about 701.3564283800.

The spelling of 344997816 in words is "three hundred forty-four million, nine hundred ninety-seven thousand, eight hundred sixteen".