3340729 has 8 divisors (see below), whose sum is σ = 3844800. Its totient is φ = 2843376.

The previous prime is 3340723. The next prime is 3340747. The reversal of 3340729 is 9270433.

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 3340729 - 2⁵ = 3340697 is a prime.

It is a super-2 number, since 2×3340729² = 22320940502882, 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 = 3340697 and 3340706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3340723) 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, 559 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (480600).

Almost surely, 2^3340729 is an apocalyptic number.

It is an amenable number.

3340729 is a deficient number, since it is larger than the sum of its proper divisors (504071).

3340729 is a wasteful number, since it uses less digits than its factorization.

3340729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3340729 is about 1827.7661228943. The cubic root of 3340729 is about 149.4905532000.

The spelling of 3340729 in words is "three million, three hundred forty thousand, seven hundred twenty-nine".