345349308 has 12 divisors (see below), whose sum is σ = 805815080. Its totient is φ = 115116432.

The previous prime is 345349283. The next prime is 345349309. The reversal of 345349308 is 803943543.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×345349308² = 238532289072157728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345349309) 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, 14389543 + ... + 14389566.

Almost surely, 2^345349308 is an apocalyptic number.

It is an amenable number.

345349308 is an abundant number, since it is smaller than the sum of its proper divisors (460465772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345349308 is a wasteful number, since it uses less digits than its factorization.

345349308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779116 (or 28779114 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 345349308 is about 18583.5762973654. The cubic root of 345349308 is about 701.5945337526.

The spelling of 345349308 in words is "three hundred forty-five million, three hundred forty-nine thousand, three hundred eight".