38797389 has 36 divisors (see below), whose sum is σ = 60818940. Its totient is φ = 23802240.

The previous prime is 38797387. The next prime is 38797391. The reversal of 38797389 is 98379783.

It is an interprime number because it is at equal distance from previous prime (38797387) and next prime (38797391).

It can be written as a sum of positive squares in 2 ways, for example, as 23328900 + 15468489 = 4830^2 + 3933^2 .

It is not a de Polignac number, because 38797389 - 2¹ = 38797387 is a prime.

Its product of digits (2286144) is a multiple of the sum of its prime divisors (336).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38797387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137929 + ... + 138209.

It is an arithmetic number, because the mean of its divisors is an integer number (1689415).

Almost surely, 2^38797389 is an apocalyptic number.

It is an amenable number.

38797389 is a deficient number, since it is larger than the sum of its proper divisors (22021551).

38797389 is a wasteful number, since it uses less digits than its factorization.

38797389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 336 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 38797389 is about 6228.7550120389. The cubic root of 38797389 is about 338.5328622112.

The spelling of 38797389 in words is "thirty-eight million, seven hundred ninety-seven thousand, three hundred eighty-nine".