32421946 has 4 divisors (see below), whose sum is σ = 48632922. Its totient is φ = 16210972.

The previous prime is 32421943. The next prime is 32421947. The reversal of 32421946 is 64912423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29582721 + 2839225 = 5439^2 + 1685^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (32421943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8105485 + ... + 8105488.

Almost surely, 2^32421946 is an apocalyptic number.

32421946 is a deficient number, since it is larger than the sum of its proper divisors (16210976).

32421946 is a wasteful number, since it uses less digits than its factorization.

32421946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210975.

The product of its digits is 10368, while the sum is 31.

The square root of 32421946 is about 5694.0272215717. The cubic root of 32421946 is about 318.8695332284.

The spelling of 32421946 in words is "thirty-two million, four hundred twenty-one thousand, nine hundred forty-six".