3419721 has 12 divisors (see below), whose sum is σ = 5021380. Its totient is φ = 2242080.

The previous prime is 3419711. The next prime is 3419777. The reversal of 3419721 is 1279143.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 2673225 = 864^2 + 1635^2 .

It is not a de Polignac number, because 3419721 - 2¹⁸ = 3157577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3419701) 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, 2566 + ... + 3663.

Almost surely, 2^3419721 is an apocalyptic number.

It is an amenable number.

3419721 is a deficient number, since it is larger than the sum of its proper divisors (1601659).

3419721 is a wasteful number, since it uses less digits than its factorization.

3419721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296 (or 6293 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 3419721 is about 1849.2487663914. The cubic root of 3419721 is about 150.6596283509.

The spelling of 3419721 in words is "three million, four hundred nineteen thousand, seven hundred twenty-one".