3495645 has 12 divisors (see below), whose sum is σ = 6059196. Its totient is φ = 1864320.

The previous prime is 3495643. The next prime is 3495647. The reversal of 3495645 is 5465943.

It is a happy number.

3495645 is a `hidden beast` number, since 3 + 4 + 9 + 5 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (3495643) and next prime (3495647).

It can be written as a sum of positive squares in 2 ways, for example, as 1052676 + 2442969 = 1026^2 + 1563^2 .

It is not a de Polignac number, because 3495645 - 2¹ = 3495643 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3495643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38796 + ... + 38885.

It is an arithmetic number, because the mean of its divisors is an integer number (504933).

Almost surely, 2^3495645 is an apocalyptic number.

It is an amenable number.

3495645 is a deficient number, since it is larger than the sum of its proper divisors (2563551).

3495645 is a wasteful number, since it uses less digits than its factorization.

3495645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77692 (or 77689 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3495645 is about 1869.6644083899. The cubic root of 3495645 is about 151.7664493856.

The spelling of 3495645 in words is "three million, four hundred ninety-five thousand, six hundred forty-five".