39474863 has 2 divisors, whose sum is σ = 39474864. Its totient is φ = 39474862.

The previous prime is 39474857. The next prime is 39474889. The reversal of 39474863 is 36847493.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36847493) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39474863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39474803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19737431 + 19737432.

It is an arithmetic number, because the mean of its divisors is an integer number (19737432).

Almost surely, 2^39474863 is an apocalyptic number.

39474863 is a deficient number, since it is larger than the sum of its proper divisors (1).

39474863 is an equidigital number, since it uses as much as digits as its factorization.

39474863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 39474863 is about 6282.9024343849. The cubic root of 39474863 is about 340.4919723282.

It can be divided in two parts, 394 and 74863, that added together give a palindrome (75257).

The spelling of 39474863 in words is "thirty-nine million, four hundred seventy-four thousand, eight hundred sixty-three".