346999901 has 4 divisors (see below), whose sum is σ = 352179072. Its totient is φ = 341820732.

The previous prime is 346999889. The next prime is 346999909. The reversal of 346999901 is 109999643.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109999643 = 13 ⋅8461511.

It is a cyclic number.

It is not a de Polignac number, because 346999901 - 2¹⁰ = 346998877 is a prime.

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 346999901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346999909) 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, 2589485 + ... + 2589618.

It is an arithmetic number, because the mean of its divisors is an integer number (88044768).

Almost surely, 2^346999901 is an apocalyptic number.

It is an amenable number.

346999901 is a deficient number, since it is larger than the sum of its proper divisors (5179171).

346999901 is an equidigital number, since it uses as much as digits as its factorization.

346999901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179170.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 346999901 is about 18627.9333528977. The cubic root of 346999901 is about 702.7105120054.

The spelling of 346999901 in words is "three hundred forty-six million, nine hundred ninety-nine thousand, nine hundred one".