348039899 has 4 divisors (see below), whose sum is σ = 348460560. Its totient is φ = 347619240.

The previous prime is 348039889. The next prime is 348039911. The reversal of 348039899 is 998930843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998930843 = 16487 ⋅60589.

It is a cyclic number.

It is not a de Polignac number, because 348039899 - 2²⁸ = 79604443 is a prime.

It is a super-2 number, since 2×348039899² = 242263542591860402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348039899.

It is not an unprimeable number, because it can be changed into a prime (348039829) 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, 209087 + ... + 210744.

It is an arithmetic number, because the mean of its divisors is an integer number (87115140).

Almost surely, 2^348039899 is an apocalyptic number.

348039899 is a deficient number, since it is larger than the sum of its proper divisors (420661).

348039899 is an equidigital number, since it uses as much as digits as its factorization.

348039899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420660.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 348039899 is about 18655.8274809776. The cubic root of 348039899 is about 703.4118461402.

The spelling of 348039899 in words is "three hundred forty-eight million, thirty-nine thousand, eight hundred ninety-nine".