3249397 has 4 divisors (see below), whose sum is σ = 3440556. Its totient is φ = 3058240.

The previous prime is 3249391. The next prime is 3249401. The reversal of 3249397 is 7939423.

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 2692881 + 556516 = 1641^2 + 746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3249397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249391) 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, 95554 + ... + 95587.

It is an arithmetic number, because the mean of its divisors is an integer number (860139).

Almost surely, 2^3249397 is an apocalyptic number.

It is an amenable number.

3249397 is a deficient number, since it is larger than the sum of its proper divisors (191159).

3249397 is a wasteful number, since it uses less digits than its factorization.

3249397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191158.

The product of its digits is 40824, while the sum is 37.

The square root of 3249397 is about 1802.6083878647. The cubic root of 3249397 is about 148.1156419044.

The spelling of 3249397 in words is "three million, two hundred forty-nine thousand, three hundred ninety-seven".