104640002 has 4 divisors (see below), whose sum is σ = 156960006. Its totient is φ = 52320000.

The previous prime is 104639989. The next prime is 104640007. The reversal of 104640002 is 200046401.

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., 85359121 + 19280881 = 9239^2 + 4391^2 .

It is not an unprimeable number, because it can be changed into a prime (104640007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26159999 + ... + 26160002.

Almost surely, 2^104640002 is an apocalyptic number.

104640002 is a deficient number, since it is larger than the sum of its proper divisors (52320004).

104640002 is an equidigital number, since it uses as much as digits as its factorization.

104640002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52320003.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 104640002 is about 10229.3695797933. The cubic root of 104640002 is about 471.2296186426.

Adding to 104640002 its reverse (200046401), we get a palindrome (304686403).

The spelling of 104640002 in words is "one hundred four million, six hundred forty thousand, two".