402103604 has 36 divisors (see below), whose sum is σ = 844986240. Its totient is φ = 166768560.

The previous prime is 402103591. The next prime is 402103609. The reversal of 402103604 is 406301204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402103609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27014 + ... + 39165.

It is an arithmetic number, because the mean of its divisors is an integer number (23471840).

Almost surely, 2^402103604 is an apocalyptic number.

It is an amenable number.

402103604 is an abundant number, since it is smaller than the sum of its proper divisors (442882636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402103604 is a wasteful number, since it uses less digits than its factorization.

402103604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66228 (or 66219 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 402103604 is about 20052.5211382509. The cubic root of 402103604 is about 738.0956659987.

Adding to 402103604 its reverse (406301204), we get a palindrome (808404808).

The spelling of 402103604 in words is "four hundred two million, one hundred three thousand, six hundred four".