349161799 has 6 divisors (see below), whose sum is σ = 406167864. Its totient is φ = 299281500.

The previous prime is 349161739. The next prime is 349161809. The reversal of 349161799 is 997161943.

It is not a de Polignac number, because 349161799 - 2⁹ = 349161287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 7125751 = 349161799 / (3 + 4 + 9 + 1 + 6 + 1 + 7 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349161739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3562827 + ... + 3562924.

It is an arithmetic number, because the mean of its divisors is an integer number (67694644).

Almost surely, 2^349161799 is an apocalyptic number.

349161799 is a deficient number, since it is larger than the sum of its proper divisors (57006065).

349161799 is an equidigital number, since it uses as much as digits as its factorization.

349161799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125765 (or 7125758 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 349161799 is about 18685.8716414301. The cubic root of 349161799 is about 704.1668470493.

The spelling of 349161799 in words is "three hundred forty-nine million, one hundred sixty-one thousand, seven hundred ninety-nine".