1013889 has 8 divisors (see below), whose sum is σ = 1384992. Its totient is φ = 659360.

The previous prime is 1013879. The next prime is 1013891. The reversal of 1013889 is 9883101.

1013889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1013889 - 2⁹ = 1013377 is a prime.

It is a super-3 number, since 3×1013889³ = 3126745176633343107, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013819) 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, 3999 + ... + 4244.

It is an arithmetic number, because the mean of its divisors is an integer number (173124).

2^1013889 is an apocalyptic number.

It is an amenable number.

1013889 is a deficient number, since it is larger than the sum of its proper divisors (371103).

1013889 is an equidigital number, since it uses as much as digits as its factorization.

1013889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8287.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1013889 is about 1006.9205529733. The cubic root of 1013889 is about 100.4608396723.

The spelling of 1013889 in words is "one million, thirteen thousand, eight hundred eighty-nine".