349756299 has 10 divisors (see below), whose sum is σ = 522475580. Its totient is φ = 233170812.

The previous prime is 349756289. The next prime is 349756321. The reversal of 349756299 is 992657943.

349756299 is a `hidden beast` number, since 3 + 4 + 9 + 7 + 5 + 629 + 9 = 666.

It is not a de Polignac number, because 349756299 - 2⁷ = 349756171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349756259) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2158909 + ... + 2159070.

It is an arithmetic number, because the mean of its divisors is an integer number (52247558).

Almost surely, 2^349756299 is an apocalyptic number.

349756299 is a deficient number, since it is larger than the sum of its proper divisors (172719281).

349756299 is an equidigital number, since it uses as much as digits as its factorization.

349756299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317991 (or 4317982 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 349756299 is about 18701.7726165195. The cubic root of 349756299 is about 704.5662701101.

The spelling of 349756299 in words is "three hundred forty-nine million, seven hundred fifty-six thousand, two hundred ninety-nine".