1389102 has 32 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 388320.

The previous prime is 1389097. The next prime is 1389107. The reversal of 1389102 is 2019831.

It is an interprime number because it is at equal distance from previous prime (1389097) and next prime (1389107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^1389102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1389102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1389102 is an abundant number, since it is smaller than the sum of its proper divisors (1876818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389102 is a wasteful number, since it uses less digits than its factorization.

1389102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1389102 is about 1178.6017138966. The cubic root of 1389102 is about 111.5778645992.

The spelling of 1389102 in words is "one million, three hundred eighty-nine thousand, one hundred two".