1398169852 has 12 divisors (see below), whose sum is σ = 2447060560. Its totient is φ = 699009696.

The previous prime is 1398169831. The next prime is 1398169859. The reversal of 1398169852 is 2589618931.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1398169852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398169859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56608 + ... + 77464.

Almost surely, 2^1398169852 is an apocalyptic number.

It is an amenable number.

1398169852 is a deficient number, since it is larger than the sum of its proper divisors (1048890708).

1398169852 is a wasteful number, since it uses less digits than its factorization.

1398169852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37620 (or 37618 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The square root of 1398169852 is about 37392.1094885004. The cubic root of 1398169852 is about 1118.2012613392.

The spelling of 1398169852 in words is "one billion, three hundred ninety-eight million, one hundred sixty-nine thousand, eight hundred fifty-two".