1398586652 has 6 divisors (see below), whose sum is σ = 2447526648. Its totient is φ = 699293324.

The previous prime is 1398586627. The next prime is 1398586663. The reversal of 1398586652 is 2566858931.

It is a junction number, because it is equal to n+sod(n) for n = 1398586594 and 1398586603.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 174823328 + ... + 174823335.

It is an arithmetic number, because the mean of its divisors is an integer number (407921108).

Almost surely, 2^1398586652 is an apocalyptic number.

It is an amenable number.

1398586652 is a deficient number, since it is larger than the sum of its proper divisors (1048939996).

1398586652 is a wasteful number, since it uses less digits than its factorization.

1398586652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349646667 (or 349646665 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The square root of 1398586652 is about 37397.6824415631. The cubic root of 1398586652 is about 1118.3123637160.

The spelling of 1398586652 in words is "one billion, three hundred ninety-eight million, five hundred eighty-six thousand, six hundred fifty-two".