3447420 has 24 divisors (see below), whose sum is σ = 9652944. Its totient is φ = 919296.

The previous prime is 3447419. The next prime is 3447443. The reversal of 3447420 is 247443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28669 + ... + 28788.

It is an arithmetic number, because the mean of its divisors is an integer number (402206).

Almost surely, 2^3447420 is an apocalyptic number.

3447420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3447420 is an abundant number, since it is smaller than the sum of its proper divisors (6205524).

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

3447420 is a wasteful number, since it uses less digits than its factorization.

3447420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57469 (or 57467 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 3447420 is about 1856.7229195548. The cubic root of 3447420 is about 151.0653051443.

The spelling of 3447420 in words is "three million, four hundred forty-seven thousand, four hundred twenty".