5138397 has 40 divisors (see below), whose sum is σ = 8595840. Its totient is φ = 3032640.

The previous prime is 5138387. The next prime is 5138443. The reversal of 5138397 is 7938315.

It is not a de Polignac number, because 5138397 - 2⁶ = 5138333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138317) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65004 + ... + 65082.

It is an arithmetic number, because the mean of its divisors is an integer number (214896).

Almost surely, 2^5138397 is an apocalyptic number.

It is an amenable number.

5138397 is a deficient number, since it is larger than the sum of its proper divisors (3457443).

5138397 is a wasteful number, since it uses less digits than its factorization.

5138397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 166 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 5138397 is about 2266.8032556885. The cubic root of 5138397 is about 172.5609614405.

The spelling of 5138397 in words is "five million, one hundred thirty-eight thousand, three hundred ninety-seven".