39488231 has 2 divisors, whose sum is σ = 39488232. Its totient is φ = 39488230.

The previous prime is 39488219. The next prime is 39488261. The reversal of 39488231 is 13288493.

It is a weak prime.

It is an emirp because it is prime and its reverse (13288493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39488231 - 2¹⁰ = 39487207 is a prime.

It is a super-2 number, since 2×39488231² = 3118640775018722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39488201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19744115 + 19744116.

It is an arithmetic number, because the mean of its divisors is an integer number (19744116).

Almost surely, 2^39488231 is an apocalyptic number.

39488231 is a deficient number, since it is larger than the sum of its proper divisors (1).

39488231 is an equidigital number, since it uses as much as digits as its factorization.

39488231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 39488231 is about 6283.9661838683. The cubic root of 39488231 is about 340.5304033924.

The spelling of 39488231 in words is "thirty-nine million, four hundred eighty-eight thousand, two hundred thirty-one".