402606202 has 4 divisors (see below), whose sum is σ = 603909306. Its totient is φ = 201303100.

The previous prime is 402606187. The next prime is 402606203. The reversal of 402606202 is 202606204.

It is a happy number.

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., 245580241 + 157025961 = 15671^2 + 12531^2 .

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 as a sum of consecutive naturals, namely, 100651549 + ... + 100651552.

Almost surely, 2^402606202 is an apocalyptic number.

402606202 is a deficient number, since it is larger than the sum of its proper divisors (201303104).

402606202 is a wasteful number, since it uses less digits than its factorization.

402606202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201303103.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 402606202 is about 20065.0492648286. The cubic root of 402606202 is about 738.4030585462.

The spelling of 402606202 in words is "four hundred two million, six hundred six thousand, two hundred two".