32981147 has 4 divisors (see below), whose sum is σ = 33191376. Its totient is φ = 32770920.

The previous prime is 32981141. The next prime is 32981159. The reversal of 32981147 is 74118923.

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

It is a cyclic number.

It is not a de Polignac number, because 32981147 - 2⁶ = 32981083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32981141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104879 + ... + 105192.

It is an arithmetic number, because the mean of its divisors is an integer number (8297844).

Almost surely, 2^32981147 is an apocalyptic number.

32981147 is a deficient number, since it is larger than the sum of its proper divisors (210229).

32981147 is a wasteful number, since it uses less digits than its factorization.

32981147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210228.

The product of its digits is 12096, while the sum is 35.

The square root of 32981147 is about 5742.9214690783. The cubic root of 32981147 is about 320.6923388943.

The spelling of 32981147 in words is "thirty-two million, nine hundred eighty-one thousand, one hundred forty-seven".