39120288 has 24 divisors (see below), whose sum is σ = 102691008. Its totient is φ = 13040064.

The previous prime is 39120287. The next prime is 39120293. The reversal of 39120288 is 88202193.

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

It is not an unprimeable number, because it can be changed into a prime (39120287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203656 + ... + 203847.

It is an arithmetic number, because the mean of its divisors is an integer number (4278792).

Almost surely, 2^39120288 is an apocalyptic number.

It is an amenable number.

39120288 is an abundant number, since it is smaller than the sum of its proper divisors (63570720).

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

39120288 is a wasteful number, since it uses less digits than its factorization.

39120288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407516 (or 407508 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 39120288 is about 6254.6213314636. The cubic root of 39120288 is about 339.4694377830.

The spelling of 39120288 in words is "thirty-nine million, one hundred twenty thousand, two hundred eighty-eight".