402203004 has 24 divisors (see below), whose sum is σ = 1072541568. Its totient is φ = 114915120.

The previous prime is 402203003. The next prime is 402203041. The reversal of 402203004 is 400302204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402203003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2393982 + ... + 2394149.

It is an arithmetic number, because the mean of its divisors is an integer number (44689232).

Almost surely, 2^402203004 is an apocalyptic number.

It is an amenable number.

402203004 is an abundant number, since it is smaller than the sum of its proper divisors (670338564).

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

402203004 is a wasteful number, since it uses less digits than its factorization.

402203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788145 (or 4788143 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 402203004 is about 20054.9994764398. Note that the first 3 decimals coincide. The cubic root of 402203004 is about 738.1564800641.

Adding to 402203004 its reverse (400302204), we get a palindrome (802505208).

The spelling of 402203004 in words is "four hundred two million, two hundred three thousand, four".