300020397 has 4 divisors (see below), whose sum is σ = 400027200. Its totient is φ = 200013596.

The previous prime is 300020389. The next prime is 300020401. The reversal of 300020397 is 793020003.

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 300020397 - 2³ = 300020389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300020327) 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, 50003397 + ... + 50003402.

It is an arithmetic number, because the mean of its divisors is an integer number (100006800).

Almost surely, 2^300020397 is an apocalyptic number.

It is an amenable number.

300020397 is a deficient number, since it is larger than the sum of its proper divisors (100006803).

300020397 is a wasteful number, since it uses less digits than its factorization.

300020397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100006802.

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

The square root of 300020397 is about 17321.0968763528. The cubic root of 300020397 is about 669.4481213204.

The spelling of 300020397 in words is "three hundred million, twenty thousand, three hundred ninety-seven".