2036731 has 4 divisors (see below), whose sum is σ = 2102464. Its totient is φ = 1971000.

The previous prime is 2036711. The next prime is 2036747. The reversal of 2036731 is 1376302.

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

It is a cyclic number.

It is not a de Polignac number, because 2036731 - 2⁷ = 2036603 is a prime.

It is a super-2 number, since 2×2036731² = 8296546332722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2036701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32820 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (525616).

2^2036731 is an apocalyptic number.

2036731 is a deficient number, since it is larger than the sum of its proper divisors (65733).

2036731 is an equidigital number, since it uses as much as digits as its factorization.

2036731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65732.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 2036731 is about 1427.1408479894. The cubic root of 2036731 is about 126.7587334658.

The spelling of 2036731 in words is "two million, thirty-six thousand, seven hundred thirty-one".