402606204 has 192 divisors, whose sum is σ = 1276326912. Its totient is φ = 96180480.

The previous prime is 402606203. The next prime is 402606209.

402606204 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402606203) 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 63 ways as a sum of consecutive naturals, for example, 1453314 + ... + 1453590.

It is an arithmetic number, because the mean of its divisors is an integer number (6647536).

Almost surely, 2^402606204 is an apocalyptic number.

402606204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402606204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638163456).

402606204 is an abundant number, since it is smaller than the sum of its proper divisors (873720708).

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

402606204 is a wasteful number, since it uses less digits than its factorization.

402606204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 402606204 is about 20065.0493146665. The cubic root of 402606204 is about 738.4030597689.

It can be divided in two parts, 40260 and 6204, that added together give a palindrome (46464).

The spelling of 402606204 in words is "four hundred two million, six hundred six thousand, two hundred four".