38143880 has 32 divisors (see below), whose sum is σ = 86019840. Its totient is φ = 15222720.

The previous prime is 38143873. The next prime is 38143883. The reversal of 38143880 is 8834183.

It is a self number, because there is not a number n which added to its sum of digits gives 38143880.

It is not an unprimeable number, because it can be changed into a prime (38143883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23495 + ... + 25065.

It is an arithmetic number, because the mean of its divisors is an integer number (2688120).

Almost surely, 2^38143880 is an apocalyptic number.

It is an amenable number.

38143880 is an abundant number, since it is smaller than the sum of its proper divisors (47875960).

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

38143880 is a wasteful number, since it uses less digits than its factorization.

38143880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 38143880 is about 6176.0731860949. The cubic root of 38143880 is about 336.6213229568.

The spelling of 38143880 in words is "thirty-eight million, one hundred forty-three thousand, eight hundred eighty".