3420944 has 20 divisors (see below), whose sum is σ = 7018524. Its totient is φ = 1609728.

The previous prime is 3420919. The next prime is 3420959. The reversal of 3420944 is 4490243.

It can be written as a sum of positive squares in 2 ways, for example, as 2930944 + 490000 = 1712^2 + 700^2 .

It is a super-2 number, since 2×3420944² = 23405715702272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6017 + ... + 6560.

Almost surely, 2^3420944 is an apocalyptic number.

3420944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3420944 is an abundant number, since it is smaller than the sum of its proper divisors (3597580).

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

3420944 is a wasteful number, since it uses less digits than its factorization.

3420944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12602 (or 12596 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3420944 is about 1849.5794116501. The cubic root of 3420944 is about 150.6775864206.

The spelling of 3420944 in words is "three million, four hundred twenty thousand, nine hundred forty-four".