4640002 has 4 divisors (see below), whose sum is σ = 6960006. Its totient is φ = 2320000.

The previous prime is 4639993. The next prime is 4640003. The reversal of 4640002 is 2000464.

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

It can be written as a sum of positive squares in only one way, i.e., 3884841 + 755161 = 1971^2 + 869^2 .

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 as a sum of consecutive naturals, namely, 1159999 + ... + 1160002.

Almost surely, 2^4640002 is an apocalyptic number.

4640002 is a deficient number, since it is larger than the sum of its proper divisors (2320004).

4640002 is a wasteful number, since it uses less digits than its factorization.

4640002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320003.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4640002 is about 2154.0663870921. The cubic root of 4640002 is about 166.7910422723.

Adding to 4640002 its reverse (2000464), we get a palindrome (6640466).

The spelling of 4640002 in words is "four million, six hundred forty thousand, two".