32794921 has 4 divisors (see below), whose sum is σ = 34724052. Its totient is φ = 30865792.

The previous prime is 32794919. The next prime is 32794943. The reversal of 32794921 is 12949723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12949723 = 31 ⋅417733.

It can be written as a sum of positive squares in 2 ways, for example, as 21160000 + 11634921 = 4600^2 + 3411^2 .

It is a cyclic number.

It is not a de Polignac number, because 32794921 - 2¹ = 32794919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32794901) 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, 964540 + ... + 964573.

It is an arithmetic number, because the mean of its divisors is an integer number (8681013).

Almost surely, 2^32794921 is an apocalyptic number.

It is an amenable number.

32794921 is a deficient number, since it is larger than the sum of its proper divisors (1929131).

32794921 is a wasteful number, since it uses less digits than its factorization.

32794921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929130.

The product of its digits is 27216, while the sum is 37.

The square root of 32794921 is about 5726.6849922097. The cubic root of 32794921 is about 320.0876094757.

The spelling of 32794921 in words is "thirty-two million, seven hundred ninety-four thousand, nine hundred twenty-one".