39487279 has 16 divisors (see below), whose sum is σ = 43690752. Its totient is φ = 35463168.

The previous prime is 39487267. The next prime is 39487337. The reversal of 39487279 is 97278493.

It is not a de Polignac number, because 39487279 - 2⁵ = 39487247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39487219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153519 + ... + 153775.

It is an arithmetic number, because the mean of its divisors is an integer number (2730672).

Almost surely, 2^39487279 is an apocalyptic number.

39487279 is a deficient number, since it is larger than the sum of its proper divisors (4203473).

39487279 is a wasteful number, since it uses less digits than its factorization.

39487279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its digits is 762048, while the sum is 49.

The square root of 39487279 is about 6283.8904350728. The cubic root of 39487279 is about 340.5276668171.

The spelling of 39487279 in words is "thirty-nine million, four hundred eighty-seven thousand, two hundred seventy-nine".