3459645 has 48 divisors (see below), whose sum is σ = 7168320. Its totient is φ = 1578528.

The previous prime is 3459641. The next prime is 3459649. The reversal of 3459645 is 5469543.

It is a happy number.

3459645 is a `hidden beast` number, since 3 + 4 + 5 + 9 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (3459641) and next prime (3459649).

It is not a de Polignac number, because 3459645 - 2² = 3459641 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3459641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6354 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (149340).

Almost surely, 2^3459645 is an apocalyptic number.

3459645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3459645 is an abundant number, since it is smaller than the sum of its proper divisors (3708675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3459645 is a wasteful number, since it uses less digits than its factorization.

3459645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 538 counting only the distinct ones).

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

The square root of 3459645 is about 1860.0120967349. The cubic root of 3459645 is about 151.2436602310.

The spelling of 3459645 in words is "three million, four hundred fifty-nine thousand, six hundred forty-five".