38280648 has 64 divisors (see below), whose sum is σ = 114140160. Its totient is φ = 10460736.

The previous prime is 38280637. The next prime is 38280653. The reversal of 38280648 is 84608283.

It is a super-2 number, since 2×38280648² = 2930816022599808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090 + ... + 8817.

It is an arithmetic number, because the mean of its divisors is an integer number (1783440).

Almost surely, 2^38280648 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 38280648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57070080).

38280648 is an abundant number, since it is smaller than the sum of its proper divisors (75859512).

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

38280648 is a wasteful number, since it uses less digits than its factorization.

38280648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946 (or 9942 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 38280648 is about 6187.1356862445. The cubic root of 38280648 is about 337.0231708101.

The spelling of 38280648 in words is "thirty-eight million, two hundred eighty thousand, six hundred forty-eight".