4037881 has 2 divisors, whose sum is σ = 4037882. Its totient is φ = 4037880.

The previous prime is 4037863. The next prime is 4037923. The reversal of 4037881 is 1887304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 270400 = 1941^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 4037881 - 2¹⁷ = 3906809 is a prime.

It is a super-2 number, since 2×4037881² = 32608965940322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4037821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2018940 + 2018941.

It is an arithmetic number, because the mean of its divisors is an integer number (2018941).

Almost surely, 2^4037881 is an apocalyptic number.

It is an amenable number.

4037881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4037881 is an equidigital number, since it uses as much as digits as its factorization.

4037881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 4037881 is about 2009.4479341351. The cubic root of 4037881 is about 159.2396344379.

The spelling of 4037881 in words is "four million, thirty-seven thousand, eight hundred eighty-one".