2426340 has 96 divisors (see below), whose sum is σ = 7983360. Its totient is φ = 539136.

The previous prime is 2426329. The next prime is 2426341. The reversal of 2426340 is 436242.

2426340 = T₃₄₉ + T₃₅₀ + ... + T₃₈₄.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2426341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22206 + ... + 22314.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^2426340 is an apocalyptic number.

2426340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2426340 is the 1272-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2426340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991680).

2426340 is an abundant number, since it is smaller than the sum of its proper divisors (5557020).

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

2426340 is a wasteful number, since it uses less digits than its factorization.

2426340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2426340 is about 1557.6713388902. The cubic root of 2426340 is about 134.3746107795.

The spelling of 2426340 in words is "two million, four hundred twenty-six thousand, three hundred forty".