3384729 has 6 divisors (see below), whose sum is σ = 4889066. Its totient is φ = 2256480.

The previous prime is 3384727. The next prime is 3384737. The reversal of 3384729 is 9274833.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 304704 = 1755^2 + 552^2 .

It is not a de Polignac number, because 3384729 - 2¹ = 3384727 is a prime.

It is a super-2 number, since 2×3384729² = 22912780806882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3384693 and 3384702.

It is not an unprimeable number, because it can be changed into a prime (3384721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188032 + ... + 188049.

Almost surely, 2^3384729 is an apocalyptic number.

It is an amenable number.

3384729 is a deficient number, since it is larger than the sum of its proper divisors (1504337).

3384729 is a wasteful number, since it uses less digits than its factorization.

3384729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376087 (or 376084 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3384729 is about 1839.7632999927. The cubic root of 3384729 is about 150.1439950586.

The spelling of 3384729 in words is "three million, three hundred eighty-four thousand, seven hundred twenty-nine".