32049978 has 16 divisors (see below), whose sum is σ = 64168416. Its totient is φ = 10671920.

The previous prime is 32049977. The next prime is 32049989. The reversal of 32049978 is 87994023.

It is not an unprimeable number, because it can be changed into a prime (32049973) 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, 4825 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (4010526).

Almost surely, 2^32049978 is an apocalyptic number.

32049978 is an abundant number, since it is smaller than the sum of its proper divisors (32118438).

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

32049978 is a wasteful number, since it uses less digits than its factorization.

32049978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 32049978 is about 5661.2699988607. The cubic root of 32049978 is about 317.6454059423.

The spelling of 32049978 in words is "thirty-two million, forty-nine thousand, nine hundred seventy-eight".