32945816 has 8 divisors (see below), whose sum is σ = 61773420. Its totient is φ = 16472904.

The previous prime is 32945767. The next prime is 32945819. The reversal of 32945816 is 61854923.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 32945816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32945819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2059106 + ... + 2059121.

Almost surely, 2^32945816 is an apocalyptic number.

It is an amenable number.

32945816 is a deficient number, since it is larger than the sum of its proper divisors (28827604).

32945816 is a wasteful number, since it uses less digits than its factorization.

32945816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118233 (or 4118229 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 32945816 is about 5739.8445971995. The cubic root of 32945816 is about 320.5777842638.

The spelling of 32945816 in words is "thirty-two million, nine hundred forty-five thousand, eight hundred sixteen".