1394889360 has 80 divisors (see below), whose sum is σ = 4333841664. Its totient is φ = 371137536.

The previous prime is 1394889319. The next prime is 1394889367. The reversal of 1394889360 is 639884931.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1394889367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104844 + ... + 117396.

Almost surely, 2^1394889360 is an apocalyptic number.

1394889360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394889360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166920832).

1394889360 is an abundant number, since it is smaller than the sum of its proper divisors (2938952304).

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

1394889360 is a wasteful number, since it uses less digits than its factorization.

1394889360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032 (or 13026 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 1394889360 is about 37348.2176281546. The cubic root of 1394889360 is about 1117.3260403157.

The spelling of 1394889360 in words is "one billion, three hundred ninety-four million, eight hundred eighty-nine thousand, three hundred sixty".