682989447 has 16 divisors (see below), whose sum is σ = 1095522560. Its totient is φ = 369738432.

The previous prime is 682989443. The next prime is 682989493. The reversal of 682989447 is 744989286.

It is not a de Polignac number, because 682989447 - 2² = 682989443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682989443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855478 + ... + 856275.

It is an arithmetic number, because the mean of its divisors is an integer number (68470160).

Almost surely, 2^682989447 is an apocalyptic number.

682989447 is a deficient number, since it is larger than the sum of its proper divisors (412533113).

682989447 is a wasteful number, since it uses less digits than its factorization.

682989447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711782.

The product of its digits is 6967296, while the sum is 57.

The square root of 682989447 is about 26134.0667903027. The cubic root of 682989447 is about 880.6526868464.

The spelling of 682989447 in words is "six hundred eighty-two million, nine hundred eighty-nine thousand, four hundred forty-seven".