38888930 has 8 divisors (see below), whose sum is σ = 70000092. Its totient is φ = 15555568.

The previous prime is 38888917. The next prime is 38888963. The reversal of 38888930 is 3988883.

It can be written as a sum of positive squares in 2 ways, for example, as 38278969 + 609961 = 6187^2 + 781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944437 + ... + 1944456.

Almost surely, 2^38888930 is an apocalyptic number.

38888930 is a deficient number, since it is larger than the sum of its proper divisors (31111162).

38888930 is a wasteful number, since it uses less digits than its factorization.

38888930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888900.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 38888930 is about 6236.0989408443. The cubic root of 38888930 is about 338.7989049911.

Subtracting from 38888930 its sum of digits (47), we obtain a palindrome (38888883).

The spelling of 38888930 in words is "thirty-eight million, eight hundred eighty-eight thousand, nine hundred thirty".