2973397 has 4 divisors (see below), whose sum is σ = 3398176. Its totient is φ = 2548620.

The previous prime is 2973391. The next prime is 2973403. The reversal of 2973397 is 7933792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2973391) and next prime (2973403).

It is a cyclic number.

It is not a de Polignac number, because 2973397 - 2¹¹ = 2971349 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 (2973391) 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, 212379 + ... + 212392.

It is an arithmetic number, because the mean of its divisors is an integer number (849544).

2^2973397 is an apocalyptic number.

It is an amenable number.

2973397 is a deficient number, since it is larger than the sum of its proper divisors (424779).

2973397 is an equidigital number, since it uses as much as digits as its factorization.

2973397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424778.

The product of its digits is 71442, while the sum is 40.

The square root of 2973397 is about 1724.3540819681. The cubic root of 2973397 is about 143.7973777041.

The spelling of 2973397 in words is "two million, nine hundred seventy-three thousand, three hundred ninety-seven".