39481272 has 24 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 13160400.

The previous prime is 39481241. The next prime is 39481279. The reversal of 39481272 is 27218493.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39481279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274104 + ... + 274247.

It is an arithmetic number, because the mean of its divisors is an integer number (4455360).

Almost surely, 2^39481272 is an apocalyptic number.

It is an amenable number.

39481272 is an abundant number, since it is smaller than the sum of its proper divisors (67447368).

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

39481272 is a wasteful number, since it uses less digits than its factorization.

39481272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548363 (or 548356 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 39481272 is about 6283.4124486620. The cubic root of 39481272 is about 340.5103983576.

The spelling of 39481272 in words is "thirty-nine million, four hundred eighty-one thousand, two hundred seventy-two".