3844897990 has 32 divisors (see below), whose sum is σ = 7335365184. Its totient is φ = 1446021120.

The previous prime is 3844897963. The next prime is 3844897993. The reversal of 3844897990 is 997984483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3844897993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164302 + ... + 186238.

It is an arithmetic number, because the mean of its divisors is an integer number (229230162).

Almost surely, 2^3844897990 is an apocalyptic number.

3844897990 is a deficient number, since it is larger than the sum of its proper divisors (3490467194).

3844897990 is a wasteful number, since it uses less digits than its factorization.

3844897990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22992.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The square root of 3844897990 is about 62007.2414319489. The cubic root of 3844897990 is about 1566.6125715943.

The spelling of 3844897990 in words is "three billion, eight hundred forty-four million, eight hundred ninety-seven thousand, nine hundred ninety".