1398796930 has 8 divisors (see below), whose sum is σ = 2517834492. Its totient is φ = 559518768.

The previous prime is 1398796921. The next prime is 1398796937. The reversal of 1398796930 is 396978931.

It can be written as a sum of positive squares in 2 ways, for example, as 1261883529 + 136913401 = 35523^2 + 11701^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1398796937) 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 3 ways as a sum of consecutive naturals, for example, 69939837 + ... + 69939856.

Almost surely, 2^1398796930 is an apocalyptic number.

1398796930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1398796930 is a deficient number, since it is larger than the sum of its proper divisors (1119037562).

1398796930 is a wasteful number, since it uses less digits than its factorization.

1398796930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139879700.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 1398796930 is about 37400.4937133188. The cubic root of 1398796930 is about 1118.3684071278.

The spelling of 1398796930 in words is "one billion, three hundred ninety-eight million, seven hundred ninety-six thousand, nine hundred thirty".