321413432 has 16 divisors (see below), whose sum is σ = 617349600. Its totient is φ = 156786880.

The previous prime is 321413419. The next prime is 321413437. The reversal of 321413432 is 234314123.

It is a junction number, because it is equal to n+sod(n) for n = 321413398 and 321413407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321413437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489632 + ... + 490287.

It is an arithmetic number, because the mean of its divisors is an integer number (38584350).

Almost surely, 2^321413432 is an apocalyptic number.

It is an amenable number.

321413432 is a deficient number, since it is larger than the sum of its proper divisors (295936168).

321413432 is a wasteful number, since it uses less digits than its factorization.

321413432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979966 (or 979962 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 321413432 is about 17928.0069165538. The cubic root of 321413432 is about 684.9959557187.

Adding to 321413432 its reverse (234314123), we get a palindrome (555727555).

The spelling of 321413432 in words is "three hundred twenty-one million, four hundred thirteen thousand, four hundred thirty-two".