839718452 has 48 divisors (see below), whose sum is σ = 1612154880. Its totient is φ = 381218400.

The previous prime is 839718443. The next prime is 839718457. The reversal of 839718452 is 254817938.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 839718397 and 839718406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839718457) 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, 250427 + ... + 253757.

It is an arithmetic number, because the mean of its divisors is an integer number (33586560).

Almost surely, 2^839718452 is an apocalyptic number.

It is an amenable number.

839718452 is a deficient number, since it is larger than the sum of its proper divisors (772436428).

839718452 is a wasteful number, since it uses less digits than its factorization.

839718452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3490 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 839718452 is about 28977.8959208566. The cubic root of 839718452 is about 943.4333670369.

The spelling of 839718452 in words is "eight hundred thirty-nine million, seven hundred eighteen thousand, four hundred fifty-two".