3020397 has 4 divisors (see below), whose sum is σ = 4027200. Its totient is φ = 2013596.

The previous prime is 3020389. The next prime is 3020399. The reversal of 3020397 is 7930203.

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 a cyclic number.

It is not a de Polignac number, because 3020397 - 2³ = 3020389 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020399) 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, 503397 + ... + 503402.

It is an arithmetic number, because the mean of its divisors is an integer number (1006800).

Almost surely, 2^3020397 is an apocalyptic number.

It is an amenable number.

3020397 is a deficient number, since it is larger than the sum of its proper divisors (1006803).

3020397 is a wasteful number, since it uses less digits than its factorization.

3020397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006802.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 3020397 is about 1737.9289398592. The cubic root of 3020397 is about 144.5510808660.

The spelling of 3020397 in words is "three million, twenty thousand, three hundred ninety-seven".