3440646 has 24 divisors (see below), whose sum is σ = 8132904. Its totient is φ = 1042560.

The previous prime is 3440627. The next prime is 3440663. The reversal of 3440646 is 6460443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8491 + ... + 8886.

It is an arithmetic number, because the mean of its divisors is an integer number (338871).

Almost surely, 2^3440646 is an apocalyptic number.

3440646 is an abundant number, since it is smaller than the sum of its proper divisors (4692258).

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

3440646 is a wasteful number, since it uses less digits than its factorization.

3440646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17396 (or 17393 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3440646 is about 1854.8978408527. The cubic root of 3440646 is about 150.9662951248.

The spelling of 3440646 in words is "three million, four hundred forty thousand, six hundred forty-six".