344536749 has 12 divisors (see below), whose sum is σ = 497873376. Its totient is φ = 229594632.

The previous prime is 344536721. The next prime is 344536763. The reversal of 344536749 is 947635443.

344536749 is a `hidden beast` number, since 3 + 44 + 536 + 74 + 9 = 666.

It is not a de Polignac number, because 344536749 - 2¹⁵ = 344503981 is a prime.

It is a super-2 number, since 2×344536749² = 237411142822978002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344536789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19534 + ... + 32720.

It is an arithmetic number, because the mean of its divisors is an integer number (41489448).

Almost surely, 2^344536749 is an apocalyptic number.

It is an amenable number.

344536749 is a deficient number, since it is larger than the sum of its proper divisors (153336627).

344536749 is a wasteful number, since it uses less digits than its factorization.

344536749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096 (or 16093 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 344536749 is about 18561.7011343249. The cubic root of 344536749 is about 701.0438501049.

The spelling of 344536749 in words is "three hundred forty-four million, five hundred thirty-six thousand, seven hundred forty-nine".