39648894 has 8 divisors (see below), whose sum is σ = 79297800. Its totient is φ = 13216296.

The previous prime is 39648883. The next prime is 39648899. The reversal of 39648894 is 49884693.

It is a happy number.

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

39648894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39648899) 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, 3304069 + ... + 3304080.

It is an arithmetic number, because the mean of its divisors is an integer number (9912225).

Almost surely, 2^39648894 is an apocalyptic number.

39648894 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.

39648894 is a wasteful number, since it uses less digits than its factorization.

39648894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608154.

The product of its digits is 1492992, while the sum is 51.

The square root of 39648894 is about 6296.7367739171. The cubic root of 39648894 is about 340.9916091995.

The spelling of 39648894 in words is "thirty-nine million, six hundred forty-eight thousand, eight hundred ninety-four".