39448864 has 192 divisors, whose sum is σ = 108380160. Its totient is φ = 13685760.

The previous prime is 39448861. The next prime is 39448939. The reversal of 39448864 is 46884493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (39448861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1272529 + ... + 1272559.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

Almost surely, 2^39448864 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 39448864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54190080).

39448864 is an abundant number, since it is smaller than the sum of its proper divisors (68931296).

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

39448864 is a wasteful number, since it uses less digits than its factorization.

39448864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 95 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 39448864 is about 6280.8330657644. The cubic root of 39448864 is about 340.4172041145.

The spelling of 39448864 in words is "thirty-nine million, four hundred forty-eight thousand, eight hundred sixty-four".