349940744 has 16 divisors (see below), whose sum is σ = 660930300. Its totient is φ = 173692672.

The previous prime is 349940719. The next prime is 349940761. The reversal of 349940744 is 447049943.

It can be written as a sum of positive squares in 2 ways, for example, as 291111844 + 58828900 = 17062^2 + 7670^2 .

It is a super-2 number, since 2×349940744² = 244917048622547072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 349940695 and 349940704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158549 + ... + 160740.

Almost surely, 2^349940744 is an apocalyptic number.

It is an amenable number.

349940744 is a deficient number, since it is larger than the sum of its proper divisors (310989556).

349940744 is a wasteful number, since it uses less digits than its factorization.

349940744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319432 (or 319428 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 349940744 is about 18706.7031836184. The cubic root of 349940744 is about 704.6901000348.

The spelling of 349940744 in words is "three hundred forty-nine million, nine hundred forty thousand, seven hundred forty-four".