2421867 has 8 divisors (see below), whose sum is σ = 3690496. Its totient is φ = 1383912.

The previous prime is 2421847. The next prime is 2421893. The reversal of 2421867 is 7681242.

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

It is not a de Polignac number, because 2421867 - 2¹¹ = 2419819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421817) 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, 57643 + ... + 57684.

It is an arithmetic number, because the mean of its divisors is an integer number (461312).

2^2421867 is an apocalyptic number.

2421867 is a deficient number, since it is larger than the sum of its proper divisors (1268629).

2421867 is a wasteful number, since it uses less digits than its factorization.

2421867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115337.

The product of its digits is 5376, while the sum is 30.

The square root of 2421867 is about 1556.2348794446. The cubic root of 2421867 is about 134.2919860077.

The spelling of 2421867 in words is "two million, four hundred twenty-one thousand, eight hundred sixty-seven".