1398875867 has 8 divisors (see below), whose sum is σ = 1419521760. Its totient is φ = 1378256320.

The previous prime is 1398875833. The next prime is 1398875887. The reversal of 1398875867 is 7685788931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1398875867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1398875887) 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, 117359 + ... + 128727.

It is an arithmetic number, because the mean of its divisors is an integer number (177440220).

Almost surely, 2^1398875867 is an apocalyptic number.

1398875867 is a deficient number, since it is larger than the sum of its proper divisors (20645893).

1398875867 is a wasteful number, since it uses less digits than its factorization.

1398875867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13173.

The product of its digits is 20321280, while the sum is 62.

The square root of 1398875867 is about 37401.5489919869. The cubic root of 1398875867 is about 1118.3894440118.

The spelling of 1398875867 in words is "one billion, three hundred ninety-eight million, eight hundred seventy-five thousand, eight hundred sixty-seven".