1398860896 has 24 divisors (see below), whose sum is σ = 2754841320. Its totient is φ = 699218688.

The previous prime is 1398860867. The next prime is 1398860909. The reversal of 1398860896 is 6980688931.

It is a self number, because there is not a number n which added to its sum of digits gives 1398860896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199075 + ... + 205981.

It is an arithmetic number, because the mean of its divisors is an integer number (114785055).

Almost surely, 2^1398860896 is an apocalyptic number.

1398860896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1398860896 is a deficient number, since it is larger than the sum of its proper divisors (1355980424).

1398860896 is an equidigital number, since it uses as much as digits as its factorization.

1398860896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13246 (or 13238 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 1398860896 is about 37401.3488526818. The cubic root of 1398860896 is about 1118.3854542682.

The spelling of 1398860896 in words is "one billion, three hundred ninety-eight million, eight hundred sixty thousand, eight hundred ninety-six".