404006774 has 8 divisors (see below), whose sum is σ = 622388928. Its totient is φ = 196543800.

The previous prime is 404006773. The next prime is 404006789. The reversal of 404006774 is 477600404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 404006774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404006773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2729702 + ... + 2729849.

It is an arithmetic number, because the mean of its divisors is an integer number (77798616).

Almost surely, 2^404006774 is an apocalyptic number.

404006774 is a deficient number, since it is larger than the sum of its proper divisors (218382154).

404006774 is a wasteful number, since it uses less digits than its factorization.

404006774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459590.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 404006774 is about 20099.9197510836. The cubic root of 404006774 is about 739.2583109204.

It can be divided in two parts, 40400 and 6774, that added together give a palindrome (47174).

The spelling of 404006774 in words is "four hundred four million, six thousand, seven hundred seventy-four".