349599745 has 16 divisors (see below), whose sum is σ = 458042688. Its totient is φ = 254040640.

The previous prime is 349599707. The next prime is 349599763. The reversal of 349599745 is 547995943.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-349599745 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96507 + ... + 100063.

It is an arithmetic number, because the mean of its divisors is an integer number (28627668).

Almost surely, 2^349599745 is an apocalyptic number.

It is an amenable number.

349599745 is a deficient number, since it is larger than the sum of its proper divisors (108442943).

349599745 is a wasteful number, since it uses less digits than its factorization.

349599745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360.

The product of its digits is 6123600, while the sum is 55.

The square root of 349599745 is about 18697.5866089718. The cubic root of 349599745 is about 704.4611310654.

The spelling of 349599745 in words is "three hundred forty-nine million, five hundred ninety-nine thousand, seven hundred forty-five".