32402442 has 16 divisors (see below), whose sum is σ = 68617152. Its totient is φ = 10165440.

The previous prime is 32402441. The next prime is 32402443. The reversal of 32402442 is 24420423.

It is an interprime number because it is at equal distance from previous prime (32402441) and next prime (32402443).

It is not an unprimeable number, because it can be changed into a prime (32402441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158734 + ... + 158937.

It is an arithmetic number, because the mean of its divisors is an integer number (4288572).

Almost surely, 2^32402442 is an apocalyptic number.

32402442 is an abundant number, since it is smaller than the sum of its proper divisors (36214710).

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

32402442 is a wasteful number, since it uses less digits than its factorization.

32402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317693.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 32402442 is about 5692.3142920960. The cubic root of 32402442 is about 318.8055798506.

Adding to 32402442 its reverse (24420423), we get a palindrome (56822865).

The spelling of 32402442 in words is "thirty-two million, four hundred two thousand, four hundred forty-two".