1398796929 has 12 divisors (see below), whose sum is σ = 2126826000. Its totient is φ = 883450584.

The previous prime is 1398796921. The next prime is 1398796937. The reversal of 1398796929 is 9296978931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1398796921) and next prime (1398796937).

It is not a de Polignac number, because 1398796929 - 2³ = 1398796921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1398796921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4089879 + ... + 4090220.

It is an arithmetic number, because the mean of its divisors is an integer number (177235500).

Almost surely, 2^1398796929 is an apocalyptic number.

1398796929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1398796929 is a deficient number, since it is larger than the sum of its proper divisors (728029071).

1398796929 is a wasteful number, since it uses less digits than its factorization.

1398796929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180124 (or 8180121 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 1398796929 is about 37400.4936999500. The cubic root of 1398796929 is about 1118.3684068613.

The spelling of 1398796929 in words is "one billion, three hundred ninety-eight million, seven hundred ninety-six thousand, nine hundred twenty-nine".