2406426 has 48 divisors (see below), whose sum is σ = 5596128. Its totient is φ = 684000.

The previous prime is 2406379. The next prime is 2406457. The reversal of 2406426 is 6246042.

It is a d-powerful number, because it can be written as 2 + 4⁴ + 0 + 6³ + 4⁹ + 2²¹ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2406396 and 2406405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23776 + ... + 23876.

It is an arithmetic number, because the mean of its divisors is an integer number (116586).

2^2406426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2406426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798064).

2406426 is an abundant number, since it is smaller than the sum of its proper divisors (3189702).

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

2406426 is a wasteful number, since it uses less digits than its factorization.

2406426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2406426 is about 1551.2659346482. The cubic root of 2406426 is about 134.0059773082.

It can be divided in two parts, 24064 and 26, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 2406426 in words is "two million, four hundred six thousand, four hundred twenty-six".