3394649 has 4 divisors (see below), whose sum is σ = 3398820. Its totient is φ = 3390480.

The previous prime is 3394637. The next prime is 3394661. The reversal of 3394649 is 9464933.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (3394637) and next prime (3394661).

It can be written as a sum of positive squares in 2 ways, for example, as 1545049 + 1849600 = 1243^2 + 1360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3394649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3394619) 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, 422 + ... + 2639.

It is an arithmetic number, because the mean of its divisors is an integer number (849705).

Almost surely, 2^3394649 is an apocalyptic number.

It is an amenable number.

3394649 is a deficient number, since it is larger than the sum of its proper divisors (4171).

3394649 is a wasteful number, since it uses less digits than its factorization.

3394649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170.

The product of its digits is 69984, while the sum is 38.

The square root of 3394649 is about 1842.4573265072. The cubic root of 3394649 is about 150.2905332027.

The spelling of 3394649 in words is "three million, three hundred ninety-four thousand, six hundred forty-nine".