2347397 has 4 divisors (see below), whose sum is σ = 2527980. Its totient is φ = 2166816.

The previous prime is 2347379. The next prime is 2347409. The reversal of 2347397 is 7937432.

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 1079521 + 1267876 = 1039^2 + 1126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2347397 - 2⁸ = 2347141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2347337) 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, 90272 + ... + 90297.

It is an arithmetic number, because the mean of its divisors is an integer number (631995).

2^2347397 is an apocalyptic number.

It is an amenable number.

2347397 is a deficient number, since it is larger than the sum of its proper divisors (180583).

2347397 is a wasteful number, since it uses less digits than its factorization.

2347397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180582.

The product of its digits is 31752, while the sum is 35.

The square root of 2347397 is about 1532.1217314561. The cubic root of 2347397 is about 132.9011835010.

Adding to 2347397 its sum of digits (35), we get a palindrome (2347432).

It can be divided in two parts, 2347 and 397, that added together give a cube (2744 = 14³).

The spelling of 2347397 in words is "two million, three hundred forty-seven thousand, three hundred ninety-seven".