2038681 has 8 divisors (see below), whose sum is σ = 2182400. Its totient is φ = 1898640.

The previous prime is 2038661. The next prime is 2038693. The reversal of 2038681 is 1868302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2038681 - 2¹³ = 2030489 is a prime.

It is a super-2 number, since 2×2038681² = 8312440439522, which contains 22 as substring.

It is a Duffinian number.

2038681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2038661) 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 7 ways as a sum of consecutive naturals, for example, 280 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (272800).

2^2038681 is an apocalyptic number.

It is an amenable number.

2038681 is a deficient number, since it is larger than the sum of its proper divisors (143719).

2038681 is a wasteful number, since it uses less digits than its factorization.

2038681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2038681 is about 1427.8238686897. The cubic root of 2038681 is about 126.7991741994.

The spelling of 2038681 in words is "two million, thirty-eight thousand, six hundred eighty-one".