3247047 has 10 divisors (see below), whose sum is σ = 4850648. Its totient is φ = 2164644.

The previous prime is 3247039. The next prime is 3247073. The reversal of 3247047 is 7407423.

It is not a de Polignac number, because 3247047 - 2³ = 3247039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3247047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19963 + ... + 20124.

Almost surely, 2^3247047 is an apocalyptic number.

3247047 is a deficient number, since it is larger than the sum of its proper divisors (1603601).

3247047 is an equidigital number, since it uses as much as digits as its factorization.

3247047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40099 (or 40090 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 3247047 is about 1801.9564367653. The cubic root of 3247047 is about 148.0799270007.

The spelling of 3247047 in words is "three million, two hundred forty-seven thousand, forty-seven".