39387648 has 40 divisors (see below), whose sum is σ = 104935248. Its totient is φ = 13128704.

The previous prime is 39387643. The next prime is 39387679. The reversal of 39387648 is 84678393.

It is a super-3 number, since 3×39387648³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 39387597 and 39387606.

It is not an unprimeable number, because it can be changed into a prime (39387641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11286 + ... + 14357.

Almost surely, 2^39387648 is an apocalyptic number.

It is an amenable number.

39387648 is an abundant number, since it is smaller than the sum of its proper divisors (65547600).

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

39387648 is an equidigital number, since it uses as much as digits as its factorization.

39387648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25664 (or 25648 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 39387648 is about 6275.9579348495. The cubic root of 39387648 is about 340.2410286312.

The spelling of 39387648 in words is "thirty-nine million, three hundred eighty-seven thousand, six hundred forty-eight".