345401 has 16 divisors (see below), whose sum is σ = 432000. Its totient is φ = 275184.

The previous prime is 345379. The next prime is 345413. The reversal of 345401 is 104543.

It is not a de Polignac number, because 345401 - 2¹⁸ = 83257 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 345401.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345401.

It is not an unprimeable number, because it can be changed into a prime (345431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6491 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2³⁴⁵⁴⁰¹ is an apocalyptic number.

It is an amenable number.

345401 is a deficient number, since it is larger than the sum of its proper divisors (86599).

345401 is an equidigital number, since it uses as much as digits as its factorization.

345401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 345401 is about 587.7082609595. The cubic root of 345401 is about 70.1629536974.

Adding to 345401 its reverse (104543), we get a palindrome (449944).

The spelling of 345401 in words is "three hundred forty-five thousand, four hundred one".