3397491 has 16 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 2166120.

The previous prime is 3397487. The next prime is 3397519. The reversal of 3397491 is 1947933.

It is not a de Polignac number, because 3397491 - 2² = 3397487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3397411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2115 + ... + 3356.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^3397491 is an apocalyptic number.

3397491 is a deficient number, since it is larger than the sum of its proper divisors (1855629).

3397491 is a wasteful number, since it uses less digits than its factorization.

3397491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5497 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3397491 is about 1843.2284177497. The cubic root of 3397491 is about 150.3324625798.

The spelling of 3397491 in words is "three million, three hundred ninety-seven thousand, four hundred ninety-one".