1398085560 has 48 divisors (see below), whose sum is σ = 4543779240. Its totient is φ = 372822720.

The previous prime is 1398085553. The next prime is 1398085571. The reversal of 1398085560 is 655808931.

1398085560 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 0 + 85 + 560 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1941426 + ... + 1942145.

Almost surely, 2^1398085560 is an apocalyptic number.

1398085560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1398085560 is an abundant number, since it is smaller than the sum of its proper divisors (3145693680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1398085560 is a wasteful number, since it uses less digits than its factorization.

1398085560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883588 (or 3883581 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1398085560 is about 37390.9823353172. The cubic root of 1398085560 is about 1118.1787897454.

The spelling of 1398085560 in words is "one billion, three hundred ninety-eight million, eighty-five thousand, five hundred sixty".