2421238 has 8 divisors (see below), whose sum is σ = 3642120. Its totient is φ = 1207200.

The previous prime is 2421229. The next prime is 2421247. The reversal of 2421238 is 8321242.

It is an interprime number because it is at equal distance from previous prime (2421229) and next prime (2421247).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (455265).

2^2421238 is an apocalyptic number.

2421238 is a deficient number, since it is larger than the sum of its proper divisors (1220882).

2421238 is a wasteful number, since it uses less digits than its factorization.

2421238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its digits is 768, while the sum is 22.

The square root of 2421238 is about 1556.0327760044. The cubic root of 2421238 is about 134.2803590311.

The spelling of 2421238 in words is "two million, four hundred twenty-one thousand, two hundred thirty-eight".