5407840 has 48 divisors (see below), whose sum is σ = 12979008. Its totient is φ = 2128896.

The previous prime is 5407823. The next prime is 5407861. The reversal of 5407840 is 487045.

It is a junction number, because it is equal to n+sod(n) for n = 5407799 and 5407808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11449 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (270396).

Almost surely, 2^5407840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5407840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6489504).

5407840 is an abundant number, since it is smaller than the sum of its proper divisors (7571168).

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

5407840 is a wasteful number, since it uses less digits than its factorization.

5407840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 5407840 is about 2325.4762952995. The cubic root of 5407840 is about 175.5259280475.

The spelling of 5407840 in words is "five million, four hundred seven thousand, eight hundred forty".