32681406 has 32 divisors (see below), whose sum is σ = 69114240. Its totient is φ = 10273824.

The previous prime is 32681401. The next prime is 32681477. The reversal of 32681406 is 60418623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32681401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31756 + ... + 32768.

It is an arithmetic number, because the mean of its divisors is an integer number (2159820).

Almost surely, 2^32681406 is an apocalyptic number.

32681406 is an abundant number, since it is smaller than the sum of its proper divisors (36432834).

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

32681406 is a wasteful number, since it uses less digits than its factorization.

32681406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 32681406 is about 5716.7653441435. The cubic root of 32681406 is about 319.7178698207.

The spelling of 32681406 in words is "thirty-two million, six hundred eighty-one thousand, four hundred six".