1398862027 has 4 divisors (see below), whose sum is σ = 1399477576. Its totient is φ = 1398246480.

The previous prime is 1398862013. The next prime is 1398862043. The reversal of 1398862027 is 7202688931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1398862027 - 2²³ = 1390473419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1398862057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304353 + ... + 308914.

It is an arithmetic number, because the mean of its divisors is an integer number (349869394).

Almost surely, 2^1398862027 is an apocalyptic number.

1398862027 is a deficient number, since it is larger than the sum of its proper divisors (615549).

1398862027 is an equidigital number, since it uses as much as digits as its factorization.

1398862027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615548.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1398862027 is about 37401.3639724543. The cubic root of 1398862027 is about 1118.3857556786.

The spelling of 1398862027 in words is "one billion, three hundred ninety-eight million, eight hundred sixty-two thousand, twenty-seven".