404245606 has 4 divisors (see below), whose sum is σ = 606368412. Its totient is φ = 202122802.

The previous prime is 404245571. The next prime is 404245619. The reversal of 404245606 is 606542404.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101061400 + ... + 101061403.

It is an arithmetic number, because the mean of its divisors is an integer number (151592103).

Almost surely, 2^404245606 is an apocalyptic number.

404245606 is a deficient number, since it is larger than the sum of its proper divisors (202122806).

404245606 is a wasteful number, since it uses less digits than its factorization.

404245606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202122805.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 404245606 is about 20105.8599915547. The cubic root of 404245606 is about 739.4039551458.

The spelling of 404245606 in words is "four hundred four million, two hundred forty-five thousand, six hundred six".