3201397 has 8 divisors (see below), whose sum is σ = 3347640. Its totient is φ = 3057600.

The previous prime is 3201391. The next prime is 3201409. The reversal of 3201397 is 7931023.

It can be written as a sum of positive squares in 4 ways, for example, as 2353156 + 848241 = 1534^2 + 921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3201397 - 2¹⁵ = 3168629 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 (3201391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (418455).

Almost surely, 2^3201397 is an apocalyptic number.

It is an amenable number.

3201397 is a deficient number, since it is larger than the sum of its proper divisors (146243).

3201397 is a wasteful number, since it uses less digits than its factorization.

3201397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 3201397 is about 1789.2448127632. The cubic root of 3201397 is about 147.3827009592.

The spelling of 3201397 in words is "three million, two hundred one thousand, three hundred ninety-seven".