404330741 has 4 divisors (see below), whose sum is σ = 404372172. Its totient is φ = 404289312.

The previous prime is 404330711. The next prime is 404330747. The reversal of 404330741 is 147033404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 364008241 + 40322500 = 19079^2 + 6350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404330741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404330741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404330747) 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, 2891 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (101093043).

Almost surely, 2^404330741 is an apocalyptic number.

It is an amenable number.

404330741 is a deficient number, since it is larger than the sum of its proper divisors (41431).

404330741 is a wasteful number, since it uses less digits than its factorization.

404330741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41430.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 404330741 is about 20107.9770489226. The cubic root of 404330741 is about 739.4558581937.

The spelling of 404330741 in words is "four hundred four million, three hundred thirty thousand, seven hundred forty-one".