403421346 has 12 divisors (see below), whose sum is σ = 874079622. Its totient is φ = 134473776.

The previous prime is 403421341. The next prime is 403421363. The reversal of 403421346 is 643124304.

403421346 is a `hidden beast` number, since 403 + 4 + 213 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 399560121 + 3861225 = 19989^2 + 1965^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (403421341) 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, 11206131 + ... + 11206166.

Almost surely, 2^403421346 is an apocalyptic number.

403421346 is an abundant number, since it is smaller than the sum of its proper divisors (470658276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403421346 is a wasteful number, since it uses less digits than its factorization.

403421346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22412305 (or 22412302 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 403421346 is about 20085.3515279171. The cubic root of 403421346 is about 738.9010630122.

The spelling of 403421346 in words is "four hundred three million, four hundred twenty-one thousand, three hundred forty-six".