39471968 has 24 divisors (see below), whose sum is σ = 81801720. Its totient is φ = 18696960.

The previous prime is 39471967. The next prime is 39471983. The reversal of 39471968 is 86917493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39471961) 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 3 ways as a sum of consecutive naturals, for example, 31853 + ... + 33068.

It is an arithmetic number, because the mean of its divisors is an integer number (3408405).

Almost surely, 2^39471968 is an apocalyptic number.

39471968 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39471968 is an abundant number, since it is smaller than the sum of its proper divisors (42329752).

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

39471968 is a wasteful number, since it uses less digits than its factorization.

39471968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64950 (or 64942 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 39471968 is about 6282.6720430085. The cubic root of 39471968 is about 340.4836484795.

The spelling of 39471968 in words is "thirty-nine million, four hundred seventy-one thousand, nine hundred sixty-eight".