2036989 has 4 divisors (see below), whose sum is σ = 2107260. Its totient is φ = 1966720.

The previous prime is 2036987. The next prime is 2037017. The reversal of 2036989 is 9896302.

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 1734489 + 302500 = 1317^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2036989 - 2¹ = 2036987 is a prime.

It is a super-2 number, since 2×2036989² = 8298648372242, which contains 22 as substring.

It is a Duffinian number.

2036989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2036987) 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, 35092 + ... + 35149.

It is an arithmetic number, because the mean of its divisors is an integer number (526815).

2^2036989 is an apocalyptic number.

2036989 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2036989 is a deficient number, since it is larger than the sum of its proper divisors (70271).

2036989 is an equidigital number, since it uses as much as digits as its factorization.

2036989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70270.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2036989 is about 1427.2312356447. The cubic root of 2036989 is about 126.7640855672.

It can be divided in two parts, 2036 and 989, that added together give a square (3025 = 55²).

The spelling of 2036989 in words is "two million, thirty-six thousand, nine hundred eighty-nine".