38197748 has 6 divisors (see below), whose sum is σ = 66846066. Its totient is φ = 19098872.

The previous prime is 38197741. The next prime is 38197763. The reversal of 38197748 is 84779183.

It can be written as a sum of positive squares in only one way, i.e., 33779344 + 4418404 = 5812^2 + 2102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38197741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4774715 + ... + 4774722.

It is an arithmetic number, because the mean of its divisors is an integer number (11141011).

Almost surely, 2^38197748 is an apocalyptic number.

It is an amenable number.

38197748 is a deficient number, since it is larger than the sum of its proper divisors (28648318).

38197748 is a wasteful number, since it uses less digits than its factorization.

38197748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549441 (or 9549439 counting only the distinct ones).

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

The square root of 38197748 is about 6180.4326709382. The cubic root of 38197748 is about 336.7797108647.

The spelling of 38197748 in words is "thirty-eight million, one hundred ninety-seven thousand, seven hundred forty-eight".