5279840 has 24 divisors (see below), whose sum is σ = 12474000. Its totient is φ = 2111872.

The previous prime is 5279837. The next prime is 5279867. The reversal of 5279840 is 489725.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5279840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16340 + ... + 16659.

It is an arithmetic number, because the mean of its divisors is an integer number (519750).

Almost surely, 2^5279840 is an apocalyptic number.

It is an amenable number.

5279840 is an abundant number, since it is smaller than the sum of its proper divisors (7194160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5279840 is a wasteful number, since it uses less digits than its factorization.

5279840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33014 (or 33006 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 5279840 is about 2297.7902428203. The cubic root of 5279840 is about 174.1299948991.

The spelling of 5279840 in words is "five million, two hundred seventy-nine thousand, eight hundred forty".