349516432 has 10 divisors (see below), whose sum is σ = 677188118. Its totient is φ = 174758208.

The previous prime is 349516411. The next prime is 349516451. The reversal of 349516432 is 234615943.

It can be written as a sum of positive squares in only one way, i.e., 279023616 + 70492816 = 16704^2 + 8396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 349516391 and 349516400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10922373 + ... + 10922404.

Almost surely, 2^349516432 is an apocalyptic number.

It is an amenable number.

349516432 is a deficient number, since it is larger than the sum of its proper divisors (327671686).

349516432 is a wasteful number, since it uses less digits than its factorization.

349516432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21844785 (or 21844779 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 349516432 is about 18695.3585683720. The cubic root of 349516432 is about 704.4051666529.

The spelling of 349516432 in words is "three hundred forty-nine million, five hundred sixteen thousand, four hundred thirty-two".