403641412 has 12 divisors (see below), whose sum is σ = 709485840. Its totient is φ = 200931176.

The previous prime is 403641397. The next prime is 403641419. The reversal of 403641412 is 214146304.

It is not an unprimeable number, because it can be changed into a prime (403641419) 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, 221362 + ... + 223177.

It is an arithmetic number, because the mean of its divisors is an integer number (59123820).

Almost surely, 2^403641412 is an apocalyptic number.

It is an amenable number.

403641412 is a deficient number, since it is larger than the sum of its proper divisors (305844428).

403641412 is a wasteful number, since it uses less digits than its factorization.

403641412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444770 (or 444768 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 403641412 is about 20090.8290520824. The cubic root of 403641412 is about 739.0353952222.

Adding to 403641412 its reverse (214146304), we get a palindrome (617787716).

The spelling of 403641412 in words is "four hundred three million, six hundred forty-one thousand, four hundred twelve".