349113746 has 4 divisors (see below), whose sum is σ = 523670622. Its totient is φ = 174556872.

The previous prime is 349113731. The next prime is 349113749. The reversal of 349113746 is 647311943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647311943 = 97 ⋅6673319.

It can be written as a sum of positive squares in only one way, i.e., 282609721 + 66504025 = 16811^2 + 8155^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349113749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87278435 + ... + 87278438.

Almost surely, 2^349113746 is an apocalyptic number.

349113746 is a deficient number, since it is larger than the sum of its proper divisors (174556876).

349113746 is a wasteful number, since it uses less digits than its factorization.

349113746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174556875.

The product of its digits is 54432, while the sum is 38.

The square root of 349113746 is about 18684.5857861500. The cubic root of 349113746 is about 704.1345421771.

The spelling of 349113746 in words is "three hundred forty-nine million, one hundred thirteen thousand, seven hundred forty-six".