3247997 has 4 divisors (see below), whose sum is σ = 3265020. Its totient is φ = 3230976.

The previous prime is 3247987. The next prime is 3248017. The reversal of 3247997 is 7997423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 337561 + 2910436 = 581^2 + 1706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3247997 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 2 + 4² + 7⁷ + 9 + 9⁴ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8222 + ... + 8607.

It is an arithmetic number, because the mean of its divisors is an integer number (816255).

Almost surely, 2^3247997 is an apocalyptic number.

It is an amenable number.

3247997 is a deficient number, since it is larger than the sum of its proper divisors (17023).

3247997 is a wasteful number, since it uses less digits than its factorization.

3247997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17022.

The product of its digits is 95256, while the sum is 41.

The square root of 3247997 is about 1802.2200198644. The cubic root of 3247997 is about 148.0943670149.

The spelling of 3247997 in words is "three million, two hundred forty-seven thousand, nine hundred ninety-seven".