32321412 has 18 divisors (see below), whose sum is σ = 81701438. Its totient is φ = 10773792.

The previous prime is 32321411. The next prime is 32321431. The reversal of 32321412 is 21412323.

It can be written as a sum of positive squares in only one way, i.e., 26873856 + 5447556 = 5184^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (32321411) 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, 448873 + ... + 448944.

Almost surely, 2^32321412 is an apocalyptic number.

It is an amenable number.

32321412 is an abundant number, since it is smaller than the sum of its proper divisors (49380026).

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

32321412 is a wasteful number, since it uses less digits than its factorization.

32321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897827 (or 897822 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 32321412 is about 5685.1923450311. The cubic root of 32321412 is about 318.5396083352.

Adding to 32321412 its reverse (21412323), we get a palindrome (53733735).

The spelling of 32321412 in words is "thirty-two million, three hundred twenty-one thousand, four hundred twelve".