32494381 has 4 divisors (see below), whose sum is σ = 32560000. Its totient is φ = 32428764.

The previous prime is 32494379. The next prime is 32494391. The reversal of 32494381 is 18349423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32494381 - 2¹ = 32494379 is a prime.

It is a super-2 number, since 2×32494381² = 2111769593146322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32494391) 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 3 ways as a sum of consecutive naturals, for example, 32061 + ... + 33058.

It is an arithmetic number, because the mean of its divisors is an integer number (8140000).

Almost surely, 2^32494381 is an apocalyptic number.

It is an amenable number.

32494381 is a deficient number, since it is larger than the sum of its proper divisors (65619).

32494381 is an equidigital number, since it uses as much as digits as its factorization.

32494381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65618.

The product of its digits is 20736, while the sum is 34.

The square root of 32494381 is about 5700.3842852917. The cubic root of 32494381 is about 319.1068224514.

The spelling of 32494381 in words is "thirty-two million, four hundred ninety-four thousand, three hundred eighty-one".