5818397 has 4 divisors (see below), whose sum is σ = 6265980. Its totient is φ = 5370816.

The previous prime is 5818391. The next prime is 5818399. The reversal of 5818397 is 7938185.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7938185 = 5 ⋅1587637.

It can be written as a sum of positive squares in 2 ways, for example, as 737881 + 5080516 = 859^2 + 2254^2 .

It is a cyclic number.

It is not a de Polignac number, because 5818397 - 2⁴ = 5818381 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 (5818391) 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, 223772 + ... + 223797.

It is an arithmetic number, because the mean of its divisors is an integer number (1566495).

Almost surely, 2^5818397 is an apocalyptic number.

It is an amenable number.

5818397 is a deficient number, since it is larger than the sum of its proper divisors (447583).

5818397 is a wasteful number, since it uses less digits than its factorization.

5818397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447582.

The product of its digits is 60480, while the sum is 41.

The square root of 5818397 is about 2412.1353610442. The cubic root of 5818397 is about 179.8599424902.

The spelling of 5818397 in words is "five million, eight hundred eighteen thousand, three hundred ninety-seven".