32686946 has 8 divisors (see below), whose sum is σ = 49069020. Its totient is φ = 16330608.

The previous prime is 32686943. The next prime is 32686981. The reversal of 32686946 is 64968623.

It can be written as a sum of positive squares in 2 ways, for example, as 28504921 + 4182025 = 5339^2 + 2045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 32686897 and 32686906.

It is not an unprimeable number, because it can be changed into a prime (32686943) 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 3 ways as a sum of consecutive naturals, for example, 2861 + ... + 8576.

Almost surely, 2^32686946 is an apocalyptic number.

32686946 is a deficient number, since it is larger than the sum of its proper divisors (16382074).

32686946 is a wasteful number, since it uses less digits than its factorization.

32686946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868.

The product of its digits is 373248, while the sum is 44.

The square root of 32686946 is about 5717.2498633521. The cubic root of 32686946 is about 319.7359344956.

The spelling of 32686946 in words is "thirty-two million, six hundred eighty-six thousand, nine hundred forty-six".