403421404 has 12 divisors (see below), whose sum is σ = 706834800. Its totient is φ = 201468608.

The previous prime is 403421363. The next prime is 403421419. The reversal of 403421404 is 404124304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56749 + ... + 63460.

It is an arithmetic number, because the mean of its divisors is an integer number (58902900).

Almost surely, 2^403421404 is an apocalyptic number.

It is an amenable number.

403421404 is a deficient number, since it is larger than the sum of its proper divisors (303413396).

403421404 is a wasteful number, since it uses less digits than its factorization.

403421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121052 (or 121050 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 403421404 is about 20085.3529717553. The cubic root of 403421404 is about 738.9010984228.

Adding to 403421404 its reverse (404124304), we get a palindrome (807545708).

The spelling of 403421404 in words is "four hundred three million, four hundred twenty-one thousand, four hundred four".