38887700 has 36 divisors (see below), whose sum is σ = 84799260. Its totient is φ = 15479040.

The previous prime is 38887697. The next prime is 38887711. The reversal of 38887700 is 778883.

It can be written as a sum of positive squares in 6 ways, for example, as 3055504 + 35832196 = 1748^2 + 5986^2 .

It is a super-2 number, since 2×38887700² = 3024506422580000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22466 + ... + 24134.

It is an arithmetic number, because the mean of its divisors is an integer number (2355535).

Almost surely, 2^38887700 is an apocalyptic number.

It is an amenable number.

38887700 is an abundant number, since it is smaller than the sum of its proper divisors (45911560).

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

38887700 is a wasteful number, since it uses less digits than its factorization.

38887700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 38887700 is about 6236.0003207184. Note that the first 3 decimals coincide. The cubic root of 38887700 is about 338.7953330488.

It can be divided in two parts, 388 and 87700, that added together give a palindrome (88088).

The spelling of 38887700 in words is "thirty-eight million, eight hundred eighty-seven thousand, seven hundred".