1398368276 has 6 divisors (see below), whose sum is σ = 2447144490. Its totient is φ = 699184136.

The previous prime is 1398368261. The next prime is 1398368291. The reversal of 1398368276 is 6728638931.

It is an interprime number because it is at equal distance from previous prime (1398368261) and next prime (1398368291).

It can be written as a sum of positive squares in only one way, i.e., 1090716676 + 307651600 = 33026^2 + 17540^2 .

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 as a sum of consecutive naturals, namely, 174796031 + ... + 174796038.

It is an arithmetic number, because the mean of its divisors is an integer number (407857415).

Almost surely, 2^1398368276 is an apocalyptic number.

It is an amenable number.

1398368276 is a deficient number, since it is larger than the sum of its proper divisors (1048776214).

1398368276 is a wasteful number, since it uses less digits than its factorization.

1398368276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349592073 (or 349592071 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1398368276 is about 37394.7626814237. The cubic root of 1398368276 is about 1118.2541560743.

The spelling of 1398368276 in words is "one billion, three hundred ninety-eight million, three hundred sixty-eight thousand, two hundred seventy-six".