32549906 has 4 divisors (see below), whose sum is σ = 48824862. Its totient is φ = 16274952.

The previous prime is 32549903. The next prime is 32549921. The reversal of 32549906 is 60994523.

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

It can be written as a sum of positive squares in only one way, i.e., 32024281 + 525625 = 5659^2 + 725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32549906.

It is not an unprimeable number, because it can be changed into a prime (32549903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8137475 + ... + 8137478.

Almost surely, 2^32549906 is an apocalyptic number.

32549906 is a deficient number, since it is larger than the sum of its proper divisors (16274956).

32549906 is a wasteful number, since it uses less digits than its factorization.

32549906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16274955.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 32549906 is about 5705.2524922215. The cubic root of 32549906 is about 319.2884776913.

The spelling of 32549906 in words is "thirty-two million, five hundred forty-nine thousand, nine hundred six".