38897741 has 4 divisors (see below), whose sum is σ = 38937984. Its totient is φ = 38857500.

The previous prime is 38897737. The next prime is 38897743. The reversal of 38897741 is 14779883.

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 38897741 - 2² = 38897737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897743) 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, 18635 + ... + 20616.

It is an arithmetic number, because the mean of its divisors is an integer number (9734496).

Almost surely, 2^38897741 is an apocalyptic number.

It is an amenable number.

38897741 is a deficient number, since it is larger than the sum of its proper divisors (40243).

38897741 is an equidigital number, since it uses as much as digits as its factorization.

38897741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40242.

The product of its digits is 338688, while the sum is 47.

The square root of 38897741 is about 6236.8053521013. The cubic root of 38897741 is about 338.8244900932.

The spelling of 38897741 in words is "thirty-eight million, eight hundred ninety-seven thousand, seven hundred forty-one".