3447873 has 64 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 1788480.

The previous prime is 3447859. The next prime is 3447883. The reversal of 3447873 is 3787443.

It is not a de Polignac number, because 3447873 - 2¹² = 3443777 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3447873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3447853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73336 + ... + 73382.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

Almost surely, 2^3447873 is an apocalyptic number.

3447873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3447873 is a deficient number, since it is larger than the sum of its proper divisors (3003327).

3447873 is a wasteful number, since it uses less digits than its factorization.

3447873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 93 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 3447873 is about 1856.8449046703. The cubic root of 3447873 is about 151.0719216465.

The spelling of 3447873 in words is "three million, four hundred forty-seven thousand, eight hundred seventy-three".