349625929 has 4 divisors (see below), whose sum is σ = 349884180. Its totient is φ = 349367680.

The previous prime is 349625911. The next prime is 349625933. The reversal of 349625929 is 929526943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 929526943 = 47 ⋅19777169.

It can be written as a sum of positive squares in 2 ways, for example, as 191545600 + 158080329 = 13840^2 + 12573^2 .

It is a cyclic number.

It is not a de Polignac number, because 349625929 - 2²¹ = 347528777 is a prime.

It is a super-2 number, since 2×349625929² = 244476580458226082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349625959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127084 + ... + 129805.

It is an arithmetic number, because the mean of its divisors is an integer number (87471045).

Almost surely, 2^349625929 is an apocalyptic number.

It is an amenable number.

349625929 is a deficient number, since it is larger than the sum of its proper divisors (258251).

349625929 is a wasteful number, since it uses less digits than its factorization.

349625929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258250.

The product of its digits is 1049760, while the sum is 49.

The square root of 349625929 is about 18698.2867931797. The cubic root of 349625929 is about 704.4787179869.

The spelling of 349625929 in words is "three hundred forty-nine million, six hundred twenty-five thousand, nine hundred twenty-nine".