38340880 has 40 divisors (see below), whose sum is σ = 91558872. Its totient is φ = 14920704.

The previous prime is 38340877. The next prime is 38340881. The reversal of 38340880 is 8804383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3625216 + 34715664 = 1904^2 + 5892^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (38340881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3517 + ... + 9436.

Almost surely, 2^38340880 is an apocalyptic number.

It is an amenable number.

38340880 is an abundant number, since it is smaller than the sum of its proper divisors (53217992).

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

38340880 is a wasteful number, since it uses less digits than its factorization.

38340880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13003 (or 12997 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 38340880 is about 6192.0012919895. The cubic root of 38340880 is about 337.1998392079.

The spelling of 38340880 in words is "thirty-eight million, three hundred forty thousand, eight hundred eighty".