38747280 has 160 divisors (see below), whose sum is σ = 141240960. Its totient is φ = 8663040.

The previous prime is 38747279. The next prime is 38747297. The reversal of 38747280 is 8274783.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33756 + ... + 34884.

It is an arithmetic number, because the mean of its divisors is an integer number (882756).

Almost surely, 2^38747280 is an apocalyptic number.

38747280 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 38747280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70620480).

38747280 is an abundant number, since it is smaller than the sum of its proper divisors (102493680).

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

38747280 is a wasteful number, since it uses less digits than its factorization.

38747280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 38747280 is about 6224.7313195029. The cubic root of 38747280 is about 338.3870547055.

The spelling of 38747280 in words is "thirty-eight million, seven hundred forty-seven thousand, two hundred eighty".