349752899 has 4 divisors (see below), whose sum is σ = 349800600. Its totient is φ = 349705200.

The previous prime is 349752869. The next prime is 349752929. The reversal of 349752899 is 998257943.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (349752869) and next prime (349752929).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349752899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349752869) 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, 10277 + ... + 28374.

It is an arithmetic number, because the mean of its divisors is an integer number (87450150).

Almost surely, 2^349752899 is an apocalyptic number.

349752899 is a deficient number, since it is larger than the sum of its proper divisors (47701).

349752899 is an equidigital number, since it uses as much as digits as its factorization.

349752899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47700.

The product of its digits is 4898880, while the sum is 56.

The square root of 349752899 is about 18701.6817158244. The cubic root of 349752899 is about 704.5639870603.

The spelling of 349752899 in words is "three hundred forty-nine million, seven hundred fifty-two thousand, eight hundred ninety-nine".