349763972 has 24 divisors (see below), whose sum is σ = 617745240. Its totient is φ = 173272320.

The previous prime is 349763959. The next prime is 349764011. The reversal of 349763972 is 279367943.

It can be written as a sum of positive squares in 4 ways, for example, as 8844676 + 340919296 = 2974^2 + 18464^2 .

It is a super-2 number, since 2×349763972² = 244669672218433568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349763972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326654 + ... + 327722.

It is an arithmetic number, because the mean of its divisors is an integer number (25739385).

Almost surely, 2^349763972 is an apocalyptic number.

It is an amenable number.

349763972 is a deficient number, since it is larger than the sum of its proper divisors (267981268).

349763972 is a wasteful number, since it uses less digits than its factorization.

349763972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1749 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 50.

The square root of 349763972 is about 18701.9777563765. The cubic root of 349763972 is about 704.5714223618.

The spelling of 349763972 in words is "three hundred forty-nine million, seven hundred sixty-three thousand, nine hundred seventy-two".