404285492 has 12 divisors (see below), whose sum is σ = 761922756. Its totient is φ = 186593280.

The previous prime is 404285473. The next prime is 404285503. The reversal of 404285492 is 294582404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 261339556 + 142945936 = 16166^2 + 11956^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 3887309 + ... + 3887412.

It is an arithmetic number, because the mean of its divisors is an integer number (63493563).

Almost surely, 2^404285492 is an apocalyptic number.

It is an amenable number.

404285492 is a deficient number, since it is larger than the sum of its proper divisors (357637264).

404285492 is a wasteful number, since it uses less digits than its factorization.

404285492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774738 (or 7774736 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 404285492 is about 20106.8518669632. The cubic root of 404285492 is about 739.4282727849.

The spelling of 404285492 in words is "four hundred four million, two hundred eighty-five thousand, four hundred ninety-two".