3394729 has 8 divisors (see below), whose sum is σ = 3675392. Its totient is φ = 3116880.

The previous prime is 3394693. The next prime is 3394733. The reversal of 3394729 is 9274933.

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-3394729 is a prime.

It is a Duffinian number.

3394729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3394739) 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, 2314 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (459424).

Almost surely, 2^3394729 is an apocalyptic number.

It is an amenable number.

3394729 is a deficient number, since it is larger than the sum of its proper divisors (280663).

3394729 is a wasteful number, since it uses less digits than its factorization.

3394729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its digits is 40824, while the sum is 37.

The square root of 3394729 is about 1842.4790365157. The cubic root of 3394729 is about 150.2917138008.

The spelling of 3394729 in words is "three million, three hundred ninety-four thousand, seven hundred twenty-nine".