39279248 has 20 divisors (see below), whose sum is σ = 80580780. Its totient is φ = 18484224.

The previous prime is 39279221. The next prime is 39279257. The reversal of 39279248 is 84297293.

It can be written as a sum of positive squares in 2 ways, for example, as 36820624 + 2458624 = 6068^2 + 1568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39279199 and 39279208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71933 + ... + 72476.

It is an arithmetic number, because the mean of its divisors is an integer number (4029039).

Almost surely, 2^39279248 is an apocalyptic number.

It is an amenable number.

39279248 is an abundant number, since it is smaller than the sum of its proper divisors (41301532).

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

39279248 is a wasteful number, since it uses less digits than its factorization.

39279248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144434 (or 144428 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 39279248 is about 6267.3158528991. The cubic root of 39279248 is about 339.9286124633.

The spelling of 39279248 in words is "thirty-nine million, two hundred seventy-nine thousand, two hundred forty-eight".