345338401 has 4 divisors (see below), whose sum is σ = 347974704. Its totient is φ = 342702100.

The previous prime is 345338381. The next prime is 345338417. The reversal of 345338401 is 104833543.

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.

It is a cyclic number.

It is not a de Polignac number, because 345338401 - 2¹¹ = 345336353 is a prime.

It is a super-2 number, since 2×345338401² = 238517222410473602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345338801) 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, 1317955 + ... + 1318216.

It is an arithmetic number, because the mean of its divisors is an integer number (86993676).

Almost surely, 2^345338401 is an apocalyptic number.

It is an amenable number.

345338401 is a deficient number, since it is larger than the sum of its proper divisors (2636303).

345338401 is a wasteful number, since it uses less digits than its factorization.

345338401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636302.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 345338401 is about 18583.2828370016. The cubic root of 345338401 is about 701.5871476346.

The spelling of 345338401 in words is "three hundred forty-five million, three hundred thirty-eight thousand, four hundred one".