39049272 has 96 divisors (see below), whose sum is σ = 114032880. Its totient is φ = 12026880.

The previous prime is 39049271. The next prime is 39049273. The reversal of 39049272 is 27294093.

It is an interprime number because it is at equal distance from previous prime (39049271) and next prime (39049273).

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 (39049271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74403 + ... + 74925.

Almost surely, 2^39049272 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 39049272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57016440).

39049272 is an abundant number, since it is smaller than the sum of its proper divisors (74983608).

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

39049272 is a wasteful number, since it uses less digits than its factorization.

39049272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39049272 is about 6248.9416703951. The cubic root of 39049272 is about 339.2638976796.

The spelling of 39049272 in words is "thirty-nine million, forty-nine thousand, two hundred seventy-two".