39218964 has 48 divisors (see below), whose sum is σ = 98952000. Its totient is φ = 12047616.

The previous prime is 39218939. The next prime is 39218969. The reversal of 39218964 is 46981293.

39218964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39218969) 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 15 ways as a sum of consecutive naturals, for example, 6112 + ... + 10760.

It is an arithmetic number, because the mean of its divisors is an integer number (2061500).

Almost surely, 2^39218964 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 39218964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49476000).

39218964 is an abundant number, since it is smaller than the sum of its proper divisors (59733036).

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

39218964 is a wasteful number, since it uses less digits than its factorization.

39218964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712 (or 4710 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 39218964 is about 6262.5046107767. The cubic root of 39218964 is about 339.7546211066.

The spelling of 39218964 in words is "thirty-nine million, two hundred eighteen thousand, nine hundred sixty-four".