3397945 has 8 divisors (see below), whose sum is σ = 4105800. Its totient is φ = 2699520.

The previous prime is 3397939. The next prime is 3397967. The reversal of 3397945 is 5497933.

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 3396649 = 36^2 + 1843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3397945 - 2¹⁵ = 3365177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3397898 and 3397907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (513225).

Almost surely, 2^3397945 is an apocalyptic number.

It is an amenable number.

3397945 is a deficient number, since it is larger than the sum of its proper divisors (707855).

3397945 is a wasteful number, since it uses less digits than its factorization.

3397945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715.

The product of its digits is 102060, while the sum is 40.

The square root of 3397945 is about 1843.3515671190. The cubic root of 3397945 is about 150.3391584914.

The spelling of 3397945 in words is "three million, three hundred ninety-seven thousand, nine hundred forty-five".