38667900 has 72 divisors (see below), whose sum is σ = 113767024. Its totient is φ = 10137600.

The previous prime is 38667883. The next prime is 38667901. The reversal of 38667900 is 976683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38667901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17244 + ... + 19356.

Almost surely, 2^38667900 is an apocalyptic number.

38667900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38667900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56883512).

38667900 is an abundant number, since it is smaller than the sum of its proper divisors (75099124).

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

38667900 is a wasteful number, since it uses less digits than its factorization.

38667900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 38667900 is about 6218.3518716779. The cubic root of 38667900 is about 338.1558167240.

It can be divided in two parts, 386 and 67900, that added together give a palindrome (68286).

The spelling of 38667900 in words is "thirty-eight million, six hundred sixty-seven thousand, nine hundred".