2936381 has 4 divisors (see below), whose sum is σ = 3355872. Its totient is φ = 2516892.

The previous prime is 2936369. The next prime is 2936383. The reversal of 2936381 is 1836392.

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 not a de Polignac number, because 2936381 - 2¹⁰ = 2935357 is a prime.

It is a super-2 number, since 2×2936381² = 17244666754322, 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 (2936383) 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, 209735 + ... + 209748.

It is an arithmetic number, because the mean of its divisors is an integer number (838968).

2^2936381 is an apocalyptic number.

It is an amenable number.

2936381 is a deficient number, since it is larger than the sum of its proper divisors (419491).

2936381 is an equidigital number, since it uses as much as digits as its factorization.

2936381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419490.

The product of its digits is 7776, while the sum is 32.

The square root of 2936381 is about 1713.5871731546. The cubic root of 2936381 is about 143.1981701596.

The spelling of 2936381 in words is "two million, nine hundred thirty-six thousand, three hundred eighty-one".