32430442 has 16 divisors (see below), whose sum is σ = 53164512. Its totient is φ = 14714320.

The previous prime is 32430427. The next prime is 32430449. The reversal of 32430442 is 24403423.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (32430449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16053 + ... + 17959.

It is an arithmetic number, because the mean of its divisors is an integer number (3322782).

Almost surely, 2^32430442 is an apocalyptic number.

32430442 is a deficient number, since it is larger than the sum of its proper divisors (20734070).

32430442 is a wasteful number, since it uses less digits than its factorization.

32430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 32430442 is about 5694.7732176093. The cubic root of 32430442 is about 318.8973834892.

Adding to 32430442 its reverse (24403423), we get a palindrome (56833865).

The spelling of 32430442 in words is "thirty-two million, four hundred thirty thousand, four hundred forty-two".