39648738 has 8 divisors (see below), whose sum is σ = 79297488. Its totient is φ = 13216244.

The previous prime is 39648737. The next prime is 39648761. The reversal of 39648738 is 83784693.

It is a sphenic number, since it is the product of 3 distinct primes.

39648738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (39648733) 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, 3304056 + ... + 3304067.

It is an arithmetic number, because the mean of its divisors is an integer number (9912186).

Almost surely, 2^39648738 is an apocalyptic number.

39648738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39648738 is a wasteful number, since it uses less digits than its factorization.

39648738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608128.

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

The square root of 39648738 is about 6296.7243865362. The cubic root of 39648738 is about 340.9911619843.

The spelling of 39648738 in words is "thirty-nine million, six hundred forty-eight thousand, seven hundred thirty-eight".