39675487 has 2 divisors, whose sum is σ = 39675488. Its totient is φ = 39675486.

The previous prime is 39675481. The next prime is 39675511. The reversal of 39675487 is 78457693.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78457693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39675487 - 2³ = 39675479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39675487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39675481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19837743 + 19837744.

It is an arithmetic number, because the mean of its divisors is an integer number (19837744).

Almost surely, 2^39675487 is an apocalyptic number.

39675487 is a deficient number, since it is larger than the sum of its proper divisors (1).

39675487 is an equidigital number, since it uses as much as digits as its factorization.

39675487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 39675487 is about 6298.8480692901. The cubic root of 39675487 is about 341.0678279147.

The spelling of 39675487 in words is "thirty-nine million, six hundred seventy-five thousand, four hundred eighty-seven".