2429321 has 4 divisors (see below), whose sum is σ = 2557200. Its totient is φ = 2301444.

The previous prime is 2429311. The next prime is 2429333. The reversal of 2429321 is 1239242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1239242 = 2 ⋅619621.

It is a cyclic number.

It is not a de Polignac number, because 2429321 - 2⁶ = 2429257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2429311) 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, 63911 + ... + 63948.

It is an arithmetic number, because the mean of its divisors is an integer number (639300).

2^2429321 is an apocalyptic number.

It is an amenable number.

2429321 is a deficient number, since it is larger than the sum of its proper divisors (127879).

2429321 is a wasteful number, since it uses less digits than its factorization.

2429321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127878.

The product of its digits is 864, while the sum is 23.

The square root of 2429321 is about 1558.6279222444. The cubic root of 2429321 is about 134.4296191157.

The spelling of 2429321 in words is "two million, four hundred twenty-nine thousand, three hundred twenty-one".