2047240 has 64 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 725760.

The previous prime is 2047237. The next prime is 2047249. The reversal of 2047240 is 427402.

2047240 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16057 + ... + 16183.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^2047240 is an apocalyptic number.

2047240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580480).

2047240 is an abundant number, since it is smaller than the sum of its proper divisors (3113720).

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

2047240 is a wasteful number, since it uses less digits than its factorization.

2047240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2047240 is about 1430.8179478885. The cubic root of 2047240 is about 126.9763735577.

The spelling of 2047240 in words is "two million, forty-seven thousand, two hundred forty".