2426421 has 8 divisors (see below), whose sum is σ = 3314304. Its totient is φ = 1578080.

The previous prime is 2426399. The next prime is 2426441. The reversal of 2426421 is 1246242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2426421 - 2¹⁵ = 2393653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2426441) 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, 9741 + ... + 9986.

It is an arithmetic number, because the mean of its divisors is an integer number (414288).

2^2426421 is an apocalyptic number.

It is an amenable number.

2426421 is a deficient number, since it is larger than the sum of its proper divisors (887883).

2426421 is a wasteful number, since it uses less digits than its factorization.

2426421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771.

The product of its digits is 768, while the sum is 21.

The square root of 2426421 is about 1557.6973390232. The cubic root of 2426421 is about 134.3761060663.

The spelling of 2426421 in words is "two million, four hundred twenty-six thousand, four hundred twenty-one".