38740384 has 12 divisors (see below), whose sum is σ = 76270194. Its totient is φ = 19370176.

The previous prime is 38740381. The next prime is 38740393. The reversal of 38740384 is 48304783.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 51984 = 6220^2 + 228^2 .

It is not an unprimeable number, because it can be changed into a prime (38740381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605287 + ... + 605350.

Almost surely, 2^38740384 is an apocalyptic number.

It is an amenable number.

38740384 is a deficient number, since it is larger than the sum of its proper divisors (37529810).

38740384 is a wasteful number, since it uses less digits than its factorization.

38740384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210647 (or 1210639 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 38740384 is about 6224.1773753646. The cubic root of 38740384 is about 338.3669788397.

The spelling of 38740384 in words is "thirty-eight million, seven hundred forty thousand, three hundred eighty-four".