3333721 has 8 divisors (see below), whose sum is σ = 3555200. Its totient is φ = 3116880.

The previous prime is 3333703. The next prime is 3333727. The reversal of 3333721 is 1273333.

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

It is a cyclic number.

It is not a de Polignac number, because 3333721 - 2⁷ = 3333593 is a prime.

It is a super-2 number, since 2×3333721² = 22227391411682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3333692 and 3333701.

It is not an unprimeable number, because it can be changed into a prime (3333727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (444400).

Almost surely, 2^3333721 is an apocalyptic number.

It is an amenable number.

3333721 is a deficient number, since it is larger than the sum of its proper divisors (221479).

3333721 is a wasteful number, since it uses less digits than its factorization.

3333721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319.

The product of its digits is 1134, while the sum is 22.

The square root of 3333721 is about 1825.8480221530. The cubic root of 3333721 is about 149.3859489649.

The spelling of 3333721 in words is "three million, three hundred thirty-three thousand, seven hundred twenty-one".