38087140 has 96 divisors (see below), whose sum is σ = 104315904. Its totient is φ = 11335680.

The previous prime is 38087129. The next prime is 38087197. The reversal of 38087140 is 4178083.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30325 + ... + 31555.

It is an arithmetic number, because the mean of its divisors is an integer number (1086624).

Almost surely, 2^38087140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38087140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52157952).

38087140 is an abundant number, since it is smaller than the sum of its proper divisors (66228764).

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

38087140 is a wasteful number, since it uses less digits than its factorization.

38087140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 38087140 is about 6171.4779429242. The cubic root of 38087140 is about 336.4543291758.

The spelling of 38087140 in words is "thirty-eight million, eighty-seven thousand, one hundred forty".