404957794 has 8 divisors (see below), whose sum is σ = 607522140. Its totient is φ = 202450416.

The previous prime is 404957771. The next prime is 404957797. The reversal of 404957794 is 497759404.

It can be written as a sum of positive squares in 2 ways, for example, as 404613225 + 344569 = 20115^2 + 587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (404957797) by changing a digit.

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, 19932 + ... + 34744.

Almost surely, 2^404957794 is an apocalyptic number.

404957794 is a deficient number, since it is larger than the sum of its proper divisors (202564346).

404957794 is a wasteful number, since it uses less digits than its factorization.

404957794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28484.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 404957794 is about 20123.5631536763. The cubic root of 404957794 is about 739.8379204318.

The spelling of 404957794 in words is "four hundred four million, nine hundred fifty-seven thousand, seven hundred ninety-four".