404743329 has 6 divisors (see below), whose sum is σ = 584629266. Its totient is φ = 269828880.

The previous prime is 404743319. The next prime is 404743373. The reversal of 404743329 is 923347404.

It can be written as a sum of positive squares in only one way, i.e., 241491600 + 163251729 = 15540^2 + 12777^2 .

It is a de Polignac number, because none of the positive numbers 2^k-404743329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404743293 and 404743302.

It is not an unprimeable number, because it can be changed into a prime (404743309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22485732 + ... + 22485749.

It is an arithmetic number, because the mean of its divisors is an integer number (97438211).

Almost surely, 2^404743329 is an apocalyptic number.

It is an amenable number.

404743329 is a deficient number, since it is larger than the sum of its proper divisors (179885937).

404743329 is a wasteful number, since it uses less digits than its factorization.

404743329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44971487 (or 44971484 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 404743329 is about 20118.2337445413. The cubic root of 404743329 is about 739.7072917090.

The spelling of 404743329 in words is "four hundred four million, seven hundred forty-three thousand, three hundred twenty-nine".