4231849 has 2 divisors, whose sum is σ = 4231850. Its totient is φ = 4231848.

The previous prime is 4231837. The next prime is 4231853. The reversal of 4231849 is 9481324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 1671849 = 1600^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231849 - 2⁵ = 4231817 is a prime.

4231849 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231849.

It is not a weakly prime, because it can be changed into another prime (4231859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115924 + 2115925.

It is an arithmetic number, because the mean of its divisors is an integer number (2115925).

Almost surely, 2^4231849 is an apocalyptic number.

It is an amenable number.

4231849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231849 is an equidigital number, since it uses as much as digits as its factorization.

4231849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 4231849 is about 2057.1458382915. The cubic root of 4231849 is about 161.7496641648.

The spelling of 4231849 in words is "four million, two hundred thirty-one thousand, eight hundred forty-nine".