4640001 has 8 divisors (see below), whose sum is σ = 6330720. Its totient is φ = 3021312.

The previous prime is 4639993. The next prime is 4640003. The reversal of 4640001 is 1000464.

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

It is not a de Polignac number, because 4640001 - 2³ = 4639993 is a prime.

4640001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4640003) 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, 17856 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (791340).

Almost surely, 2^4640001 is an apocalyptic number.

It is an amenable number.

4640001 is a deficient number, since it is larger than the sum of its proper divisors (1690719).

4640001 is a wasteful number, since it uses less digits than its factorization.

4640001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36015.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4640001 is about 2154.0661549730. The cubic root of 4640001 is about 166.7910302902.

Adding to 4640001 its reverse (1000464), we get a palindrome (5640465).

The spelling of 4640001 in words is "four million, six hundred forty thousand, one".