486691439 has 24 divisors (see below), whose sum is σ = 546435072. Its totient is φ = 432999840.

The previous prime is 486691433. The next prime is 486691463. The reversal of 486691439 is 934196684.

It is not a de Polignac number, because 486691439 - 2¹⁶ = 486625903 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 (486691433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563522 + ... + 564384.

It is an arithmetic number, because the mean of its divisors is an integer number (22768128).

Almost surely, 2^486691439 is an apocalyptic number.

486691439 is a deficient number, since it is larger than the sum of its proper divisors (59743633).

486691439 is a wasteful number, since it uses less digits than its factorization.

486691439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 994 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 486691439 is about 22061.0842661915. The cubic root of 486691439 is about 786.5950981246.

The spelling of 486691439 in words is "four hundred eighty-six million, six hundred ninety-one thousand, four hundred thirty-nine".