38789870 has 64 divisors (see below), whose sum is σ = 83635200. Its totient is φ = 12940704.

The previous prime is 38789867. The next prime is 38789873. The reversal of 38789870 is 7898783.

It is an interprime number because it is at equal distance from previous prime (38789867) and next prime (38789873).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38789873) 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, 147359 + ... + 147621.

It is an arithmetic number, because the mean of its divisors is an integer number (1306800).

Almost surely, 2^38789870 is an apocalyptic number.

38789870 is an abundant number, since it is smaller than the sum of its proper divisors (44845330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38789870 is a wasteful number, since it uses less digits than its factorization.

38789870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 38789870 is about 6228.1514111332. The cubic root of 38789870 is about 338.5109913834.

The spelling of 38789870 in words is "thirty-eight million, seven hundred eighty-nine thousand, eight hundred seventy".