1398591102 has 64 divisors (see below), whose sum is σ = 3050403840. Its totient is φ = 425865600.

The previous prime is 1398591101. The next prime is 1398591109. The reversal of 1398591102 is 2011958931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398591101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317652 + ... + 1318712.

It is an arithmetic number, because the mean of its divisors is an integer number (47662560).

Almost surely, 2^1398591102 is an apocalyptic number.

1398591102 is an abundant number, since it is smaller than the sum of its proper divisors (1651812738).

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

1398591102 is a wasteful number, since it uses less digits than its factorization.

1398591102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 1398591102 is about 37397.7419371812. The cubic root of 1398591102 is about 1118.3135497907.

The spelling of 1398591102 in words is "one billion, three hundred ninety-eight million, five hundred ninety-one thousand, one hundred two".