39764538 has 48 divisors (see below), whose sum is σ = 96011136. Its totient is φ = 11790720.

The previous prime is 39764531. The next prime is 39764563. The reversal of 39764538 is 83546793.

39764538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 39764493 and 39764502.

It is not an unprimeable number, because it can be changed into a prime (39764531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7170 + ... + 11442.

It is an arithmetic number, because the mean of its divisors is an integer number (2000232).

Almost surely, 2^39764538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39764538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48005568).

39764538 is an abundant number, since it is smaller than the sum of its proper divisors (56246598).

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

39764538 is a wasteful number, since it uses less digits than its factorization.

39764538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4336 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 39764538 is about 6305.9129394561. The cubic root of 39764538 is about 341.3228110143.

The spelling of 39764538 in words is "thirty-nine million, seven hundred sixty-four thousand, five hundred thirty-eight".