3399649 has 4 divisors (see below), whose sum is σ = 3708720. Its totient is φ = 3090580.

The previous prime is 3399637. The next prime is 3399659. The reversal of 3399649 is 9469933.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3399649 - 2¹¹ = 3397601 is a prime.

It is a super-2 number, since 2×3399649² = 23115226646402, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3³ + 3¹³ + 9⁴ + 9⁵ + 6⁸ + 4⁵ + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3399659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154519 + ... + 154540.

It is an arithmetic number, because the mean of its divisors is an integer number (927180).

Almost surely, 2^3399649 is an apocalyptic number.

It is an amenable number.

3399649 is a deficient number, since it is larger than the sum of its proper divisors (309071).

3399649 is a wasteful number, since it uses less digits than its factorization.

3399649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309070.

The product of its digits is 157464, while the sum is 43.

The square root of 3399649 is about 1843.8137107636. The cubic root of 3399649 is about 150.3642849640.

The spelling of 3399649 in words is "three million, three hundred ninety-nine thousand, six hundred forty-nine".