3889121398 has 8 divisors (see below), whose sum is σ = 5840336592. Its totient is φ = 1942342536.

The previous prime is 3889121363. The next prime is 3889121413. The reversal of 3889121398 is 8931219883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1106890 + ... + 1110397.

It is an arithmetic number, because the mean of its divisors is an integer number (730042074).

Almost surely, 2^3889121398 is an apocalyptic number.

3889121398 is a deficient number, since it is larger than the sum of its proper divisors (1951215194).

3889121398 is a wasteful number, since it uses less digits than its factorization.

3889121398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218166.

The product of its digits is 746496, while the sum is 52.

The square root of 3889121398 is about 62362.8206385824. The cubic root of 3889121398 is about 1572.5959996762.

The spelling of 3889121398 in words is "three billion, eight hundred eighty-nine million, one hundred twenty-one thousand, three hundred ninety-eight".