82437489 has 12 divisors (see below), whose sum is σ = 119643472. Its totient is φ = 54696600.

The previous prime is 82437479. The next prime is 82437491. The reversal of 82437489 is 98473428.

It is not a de Polignac number, because 82437489 - 2⁴ = 82437473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82437449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19807 + ... + 23604.

Almost surely, 2^82437489 is an apocalyptic number.

It is an amenable number.

82437489 is a deficient number, since it is larger than the sum of its proper divisors (37205983).

82437489 is a wasteful number, since it uses less digits than its factorization.

82437489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43628 (or 43625 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 82437489 is about 9079.5092929078. The cubic root of 82437489 is about 435.2194057660.

The spelling of 82437489 in words is "eighty-two million, four hundred thirty-seven thousand, four hundred eighty-nine".