3841890489 has 6 divisors (see below), whose sum is σ = 5549397386. Its totient is φ = 2561260320.

The previous prime is 3841890487. The next prime is 3841890499. The reversal of 3841890489 is 9840981483.

3841890489 is a `hidden beast` number, since 3 + 84 + 1 + 89 + 0 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1928702889 + 1913187600 = 43917^2 + 43740^2 .

It is not a de Polignac number, because 3841890489 - 2¹ = 3841890487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3841890487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213438352 + ... + 213438369.

Almost surely, 2^3841890489 is an apocalyptic number.

It is an amenable number.

3841890489 is a deficient number, since it is larger than the sum of its proper divisors (1707506897).

3841890489 is a wasteful number, since it uses less digits than its factorization.

3841890489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426876727 (or 426876724 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 3841890489 is about 61982.9854798879. The cubic root of 3841890489 is about 1566.2039939676.

The spelling of 3841890489 in words is "three billion, eight hundred forty-one million, eight hundred ninety thousand, four hundred eighty-nine".