402443606 has 4 divisors (see below), whose sum is σ = 603665412. Its totient is φ = 201221802.

The previous prime is 402443603. The next prime is 402443609. The reversal of 402443606 is 606344204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (402443603) and next prime (402443609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402443603) 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, 100610900 + ... + 100610903.

It is an arithmetic number, because the mean of its divisors is an integer number (150916353).

Almost surely, 2^402443606 is an apocalyptic number.

402443606 is a deficient number, since it is larger than the sum of its proper divisors (201221806).

402443606 is a wasteful number, since it uses less digits than its factorization.

402443606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201221805.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 402443606 is about 20060.9971337419. The cubic root of 402443606 is about 738.3036416724.

The spelling of 402443606 in words is "four hundred two million, four hundred forty-three thousand, six hundred six".