38231280 has 120 divisors (see below), whose sum is σ = 132893280. Its totient is φ = 9838080.

The previous prime is 38231273. The next prime is 38231353. The reversal of 38231280 is 8213283.

38231280 is a `hidden beast` number, since 382 + 3 + 1 + 280 = 666.

38231280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19965 + ... + 21795.

It is an arithmetic number, because the mean of its divisors is an integer number (1107444).

Almost surely, 2^38231280 is an apocalyptic number.

38231280 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 38231280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66446640).

38231280 is an abundant number, since it is smaller than the sum of its proper divisors (94662000).

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

38231280 is a wasteful number, since it uses less digits than its factorization.

38231280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 38231280 is about 6183.1448309093. The cubic root of 38231280 is about 336.8782297126.

The spelling of 38231280 in words is "thirty-eight million, two hundred thirty-one thousand, two hundred eighty".