2433921 has 8 divisors (see below), whose sum is σ = 3708864. Its totient is φ = 1390800.

The previous prime is 2433917. The next prime is 2433931. The reversal of 2433921 is 1293342.

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

It is not a de Polignac number, because 2433921 - 2² = 2433917 is a prime.

It is a Curzon number.

2433921 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2433891 and 2433900.

It is not an unprimeable number, because it can be changed into a prime (2433901) 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, 57930 + ... + 57971.

It is an arithmetic number, because the mean of its divisors is an integer number (463608).

2^2433921 is an apocalyptic number.

2433921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2433921 is a deficient number, since it is larger than the sum of its proper divisors (1274943).

2433921 is a wasteful number, since it uses less digits than its factorization.

2433921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115911.

The product of its digits is 1296, while the sum is 24.

The square root of 2433921 is about 1560.1028812229. The cubic root of 2433921 is about 134.5144146001.

The spelling of 2433921 in words is "two million, four hundred thirty-three thousand, nine hundred twenty-one".