4031849 has 2 divisors, whose sum is σ = 4031850. Its totient is φ = 4031848.

The previous prime is 4031843. The next prime is 4031861. The reversal of 4031849 is 9481304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 1841449 = 1480^2 + 1357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4031849 is a prime.

It is a Chen prime.

It is equal to p₂₈₅₂₅₇ and since 4031849 and 285257 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4031843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015924 + 2015925.

It is an arithmetic number, because the mean of its divisors is an integer number (2015925).

Almost surely, 2^4031849 is an apocalyptic number.

It is an amenable number.

4031849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031849 is an equidigital number, since it uses as much as digits as its factorization.

4031849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4031849 is about 2007.9464634297. The cubic root of 4031849 is about 159.1603013941.

The spelling of 4031849 in words is "four million, thirty-one thousand, eight hundred forty-nine".