3407645 has 16 divisors (see below), whose sum is σ = 4302720. Its totient is φ = 2587200.

The previous prime is 3407609. The next prime is 3407647. The reversal of 3407645 is 5467043.

3407645 = T₁₁₆₅ + T₁₁₆₆ + ... + T₁₁₆₉.

It is not a de Polignac number, because 3407645 - 2⁸ = 3407389 is a prime.

It is a super-2 number, since 2×3407645² = 23224088892050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3407647) 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, 10130 + ... + 10460.

It is an arithmetic number, because the mean of its divisors is an integer number (268920).

Almost surely, 2^3407645 is an apocalyptic number.

It is an amenable number.

3407645 is a deficient number, since it is larger than the sum of its proper divisors (895075).

3407645 is a wasteful number, since it uses less digits than its factorization.

3407645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 3407645 is about 1845.9807691306. The cubic root of 3407645 is about 150.4820786378.

The spelling of 3407645 in words is "three million, four hundred seven thousand, six hundred forty-five".