2426840 has 48 divisors (see below), whose sum is σ = 5929200. Its totient is φ = 893568.

The previous prime is 2426833. The next prime is 2426863. The reversal of 2426840 is 486242.

2426840 = T₄₁₉ + T₄₂₀ + ... + T₄₄₄.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6581 + ... + 6939.

It is an arithmetic number, because the mean of its divisors is an integer number (123525).

2^2426840 is an apocalyptic number.

2426840 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 2426840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2964600).

2426840 is an abundant number, since it is smaller than the sum of its proper divisors (3502360).

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

2426840 is a wasteful number, since it uses less digits than its factorization.

2426840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2426840 is about 1557.8318266103. The cubic root of 2426840 is about 134.3838404135.

The spelling of 2426840 in words is "two million, four hundred twenty-six thousand, eight hundred forty".