2434840 has 32 divisors (see below), whose sum is σ = 5670000. Its totient is φ = 939904.

The previous prime is 2434837. The next prime is 2434841. The reversal of 2434840 is 484342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2434841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 2209.

2^2434840 is an apocalyptic number.

2434840 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 2434840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2835000).

2434840 is an abundant number, since it is smaller than the sum of its proper divisors (3235160).

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

2434840 is a wasteful number, since it uses less digits than its factorization.

2434840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2434840 is about 1560.3973852836. The cubic root of 2434840 is about 134.5313424559.

The spelling of 2434840 in words is "two million, four hundred thirty-four thousand, eight hundred forty".