3898396995 has 8 divisors (see below), whose sum is σ = 6237435216. Its totient is φ = 2079145056.

The previous prime is 3898396993. The next prime is 3898397003. The reversal of 3898396995 is 5996938983.

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

It is not a de Polignac number, because 3898396995 - 2¹ = 3898396993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3898396993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129946552 + ... + 129946581.

It is an arithmetic number, because the mean of its divisors is an integer number (779679402).

Almost surely, 2^3898396995 is an apocalyptic number.

3898396995 is a deficient number, since it is larger than the sum of its proper divisors (2339038221).

3898396995 is a wasteful number, since it uses less digits than its factorization.

3898396995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259893141.

The product of its digits is 113374080, while the sum is 69.

The square root of 3898396995 is about 62437.1443533415. The cubic root of 3898396995 is about 1573.8452266055.

The spelling of 3898396995 in words is "three billion, eight hundred ninety-eight million, three hundred ninety-six thousand, nine hundred ninety-five".