403404041 has 8 divisors (see below), whose sum is σ = 417756744. Its totient is φ = 389301120.

The previous prime is 403404013. The next prime is 403404047. The reversal of 403404041 is 140404304.

It can be written as a sum of positive squares in 4 ways, for example, as 31685641 + 371718400 = 5629^2 + 19280^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 403404041 - 2⁶ = 403403977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403404047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59156 + ... + 65621.

It is an arithmetic number, because the mean of its divisors is an integer number (52219593).

Almost surely, 2^403404041 is an apocalyptic number.

It is an amenable number.

403404041 is a deficient number, since it is larger than the sum of its proper divisors (14352703).

403404041 is a wasteful number, since it uses less digits than its factorization.

403404041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124891.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 403404041 is about 20084.9207367119. The cubic root of 403404041 is about 738.8904976600.

Adding to 403404041 its reverse (140404304), we get a palindrome (543808345).

The spelling of 403404041 in words is "four hundred three million, four hundred four thousand, forty-one".