3397540 has 24 divisors (see below), whose sum is σ = 7173432. Its totient is φ = 1351680.

The previous prime is 3397531. The next prime is 3397549. The reversal of 3397540 is 457933.

3397540 = T₃₉₂ + T₃₉₃ + ... + T₄₃₁.

It is an interprime number because it is at equal distance from previous prime (3397531) and next prime (3397549).

It can be written as a sum of positive squares in 4 ways, for example, as 1779556 + 1617984 = 1334^2 + 1272^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3397549) by changing a digit.

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, 4810 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (298893).

Almost surely, 2^3397540 is an apocalyptic number.

It is an amenable number.

3397540 is an abundant number, since it is smaller than the sum of its proper divisors (3775892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3397540 is a wasteful number, since it uses less digits than its factorization.

3397540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3397540 is about 1843.2417095975. The cubic root of 3397540 is about 150.3331852950. Note that the first 3 decimals are identical.

The spelling of 3397540 in words is "three million, three hundred ninety-seven thousand, five hundred forty".