3832981 has 4 divisors (see below), whose sum is σ = 3847500. Its totient is φ = 3818464.

The previous prime is 3832957. The next prime is 3832993. The reversal of 3832981 is 1892383.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1380625 + 2452356 = 1175^2 + 1566^2 .

It is a cyclic number.

It is not a de Polignac number, because 3832981 - 2⁵ = 3832949 is a prime.

It is a super-2 number, since 2×3832981² = 29383486692722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3832921) 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, 6856 + ... + 7393.

It is an arithmetic number, because the mean of its divisors is an integer number (961875).

Almost surely, 2^3832981 is an apocalyptic number.

It is an amenable number.

3832981 is a deficient number, since it is larger than the sum of its proper divisors (14519).

3832981 is a wasteful number, since it uses less digits than its factorization.

3832981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14518.

The product of its digits is 10368, while the sum is 34.

The square root of 3832981 is about 1957.8000408622. The cubic root of 3832981 is about 156.4992361492.

It can be divided in two parts, 383 and 2981, that added together give a square (3364 = 58²).

The spelling of 3832981 in words is "three million, eight hundred thirty-two thousand, nine hundred eighty-one".