2421499 has 4 divisors (see below), whose sum is σ = 2424664. Its totient is φ = 2418336.

The previous prime is 2421491. The next prime is 2421511. The reversal of 2421499 is 9941242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2421499 - 2³ = 2421491 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁵ + 2²¹ + 1 + 4⁹ + 9² + 9⁵ .

It is a Duffinian number.

2421499 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2421499.

It is not an unprimeable number, because it can be changed into a prime (2421491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364 + ... + 2230.

It is an arithmetic number, because the mean of its divisors is an integer number (606166).

2^2421499 is an apocalyptic number.

2421499 is a deficient number, since it is larger than the sum of its proper divisors (3165).

2421499 is a wasteful number, since it uses less digits than its factorization.

2421499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 5184, while the sum is 31.

The square root of 2421499 is about 1556.1166408724. The cubic root of 2421499 is about 134.2851838238.

The spelling of 2421499 in words is "two million, four hundred twenty-one thousand, four hundred ninety-nine".