404402246 has 4 divisors (see below), whose sum is σ = 606603372. Its totient is φ = 202201122.

The previous prime is 404402237. The next prime is 404402263. The reversal of 404402246 is 642204404.

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, 101100560 + ... + 101100563.

It is an arithmetic number, because the mean of its divisors is an integer number (151650843).

Almost surely, 2^404402246 is an apocalyptic number.

404402246 is a deficient number, since it is larger than the sum of its proper divisors (202201126).

404402246 is a wasteful number, since it uses less digits than its factorization.

404402246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202201125.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 404402246 is about 20109.7549960212. The cubic root of 404402246 is about 739.4994460037.

The spelling of 404402246 in words is "four hundred four million, four hundred two thousand, two hundred forty-six".