3346721 has 8 divisors (see below), whose sum is σ = 3859584. Its totient is φ = 2842560.

The previous prime is 3346711. The next prime is 3346723. The reversal of 3346721 is 1276433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3346721 is a prime.

It is a super-2 number, since 2×3346721² = 22401082903682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3346723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (482448).

Almost surely, 2^3346721 is an apocalyptic number.

It is an amenable number.

3346721 is a deficient number, since it is larger than the sum of its proper divisors (512863).

3346721 is a wasteful number, since it uses less digits than its factorization.

3346721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351.

The product of its digits is 3024, while the sum is 26.

The square root of 3346721 is about 1829.4045479336. The cubic root of 3346721 is about 149.5798762574.

The spelling of 3346721 in words is "three million, three hundred forty-six thousand, seven hundred twenty-one".