39487263 has 20 divisors (see below), whose sum is σ = 56124888. Its totient is φ = 24692400.

The previous prime is 39487249. The next prime is 39487267. The reversal of 39487263 is 36278493.

It is not a de Polignac number, because 39487263 - 2⁴ = 39487247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39487267) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 390913 + ... + 391013.

Almost surely, 2^39487263 is an apocalyptic number.

39487263 is a deficient number, since it is larger than the sum of its proper divisors (16637625).

39487263 is an frugal number, since it uses more digits than its factorization.

39487263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 123 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 39487263 is about 6283.8891619760. The cubic root of 39487263 is about 340.5276208238.

It can be divided in two parts, 3948 and 7263, that added together give a palindrome (11211).

The spelling of 39487263 in words is "thirty-nine million, four hundred eighty-seven thousand, two hundred sixty-three".