349197012 has 18 divisors (see below), whose sum is σ = 882692538. Its totient is φ = 116398992.

The previous prime is 349196977. The next prime is 349197031. The reversal of 349197012 is 210791943.

It can be written as a sum of positive squares in only one way, i.e., 295702416 + 53494596 = 17196^2 + 7314^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9699917 = 349197012 / (3 + 4 + 9 + 1 + 9 + 7 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4849923 + ... + 4849994.

Almost surely, 2^349197012 is an apocalyptic number.

It is an amenable number.

349197012 is an abundant number, since it is smaller than the sum of its proper divisors (533495526).

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

349197012 is a wasteful number, since it uses less digits than its factorization.

349197012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699927 (or 9699922 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 349197012 is about 18686.8138536242. The cubic root of 349197012 is about 704.1905180177.

The spelling of 349197012 in words is "three hundred forty-nine million, one hundred ninety-seven thousand, twelve".