4000398117 has 8 divisors (see below), whose sum is σ = 5421304800. Its totient is φ = 2623211760.

The previous prime is 4000398113. The next prime is 4000398133. The reversal of 4000398117 is 7118930004.

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

It is not a de Polignac number, because 4000398117 - 2² = 4000398113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000398113) 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, 10929867 + ... + 10930232.

It is an arithmetic number, because the mean of its divisors is an integer number (677663100).

Almost surely, 2^4000398117 is an apocalyptic number.

It is an amenable number.

4000398117 is a deficient number, since it is larger than the sum of its proper divisors (1420906683).

4000398117 is a wasteful number, since it uses less digits than its factorization.

4000398117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21860163.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 4000398117 is about 63248.7005162952. The cubic root of 4000398117 is about 1587.4537144998.

It can be divided in two parts, 400039 and 8117, that added together give a triangular number (408156 = T₉₀₃).

The spelling of 4000398117 in words is "four billion, three hundred ninety-eight thousand, one hundred seventeen".