36832381 has 4 divisors (see below), whose sum is σ = 37688992. Its totient is φ = 35975772.

The previous prime is 36832337. The next prime is 36832409. The reversal of 36832381 is 18323863.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18323863 = 997 ⋅18379.

It is a cyclic number.

It is not a de Polignac number, because 36832381 - 2⁷ = 36832253 is a prime.

It is a super-2 number, since 2×36832381² = 2713248580258322, 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 (36832321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428241 + ... + 428326.

It is an arithmetic number, because the mean of its divisors is an integer number (9422248).

Almost surely, 2^36832381 is an apocalyptic number.

It is an amenable number.

36832381 is a deficient number, since it is larger than the sum of its proper divisors (856611).

36832381 is an equidigital number, since it uses as much as digits as its factorization.

36832381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856610.

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

The square root of 36832381 is about 6068.9686932789. The cubic root of 36832381 is about 332.7182308673.

The spelling of 36832381 in words is "thirty-six million, eight hundred thirty-two thousand, three hundred eighty-one".