4321007 has 4 divisors (see below), whose sum is σ = 4359360. Its totient is φ = 4282656.

The previous prime is 4321003. The next prime is 4321019. The reversal of 4321007 is 7001234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4321007 - 2² = 4321003 is a prime.

It is a super-2 number, since 2×4321007² = 37342202988098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321003) 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, 19007 + ... + 19232.

It is an arithmetic number, because the mean of its divisors is an integer number (1089840).

Almost surely, 2^4321007 is an apocalyptic number.

4321007 is a deficient number, since it is larger than the sum of its proper divisors (38353).

4321007 is a wasteful number, since it uses less digits than its factorization.

4321007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38352.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 4321007 is about 2078.7032015177. The cubic root of 4321007 is about 162.8777107280.

The spelling of 4321007 in words is "four million, three hundred twenty-one thousand, seven".