3400345 has 8 divisors (see below), whose sum is σ = 4394376. Its totient is φ = 2510976.

The previous prime is 3400333. The next prime is 3400361. The reversal of 3400345 is 5430043.

It can be written as a sum of positive squares in 4 ways, for example, as 506944 + 2893401 = 712^2 + 1701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3400345 - 2⁷ = 3400217 is a prime.

It is a super-2 number, since 2×3400345² = 23124692238050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26092 + ... + 26221.

It is an arithmetic number, because the mean of its divisors is an integer number (549297).

Almost surely, 2^3400345 is an apocalyptic number.

It is an amenable number.

3400345 is a deficient number, since it is larger than the sum of its proper divisors (994031).

3400345 is a wasteful number, since it uses less digits than its factorization.

3400345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52331.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3400345 is about 1844.0024403455. The cubic root of 3400345 is about 150.3745454743.

Adding to 3400345 its reverse (5430043), we get a palindrome (8830388).

The spelling of 3400345 in words is "three million, four hundred thousand, three hundred forty-five".