39220064 has 48 divisors (see below), whose sum is σ = 86047920. Its totient is φ = 17472000.

The previous prime is 39220033. The next prime is 39220079. The reversal of 39220064 is 46002293.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10439 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (1792665).

Almost surely, 2^39220064 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 39220064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43023960).

39220064 is an abundant number, since it is smaller than the sum of its proper divisors (46827856).

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

39220064 is a wasteful number, since it uses less digits than its factorization.

39220064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 39220064 is about 6262.5924344476. The cubic root of 39220064 is about 339.7577975171.

The spelling of 39220064 in words is "thirty-nine million, two hundred twenty thousand, sixty-four".