38111397 has 32 divisors (see below), whose sum is σ = 55413120. Its totient is φ = 23224320.

The previous prime is 38111393. The next prime is 38111401. The reversal of 38111397 is 79311183.

It is an interprime number because it is at equal distance from previous prime (38111393) and next prime (38111401).

It is not a de Polignac number, because 38111397 - 2² = 38111393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38111393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337213 + ... + 337325.

It is an arithmetic number, because the mean of its divisors is an integer number (1731660).

Almost surely, 2^38111397 is an apocalyptic number.

It is an amenable number.

38111397 is a deficient number, since it is larger than the sum of its proper divisors (17301723).

38111397 is a wasteful number, since it uses less digits than its factorization.

38111397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its digits is 4536, while the sum is 33.

The square root of 38111397 is about 6173.4428805975. The cubic root of 38111397 is about 336.5257412121.

The spelling of 38111397 in words is "thirty-eight million, one hundred eleven thousand, three hundred ninety-seven".