1394872320 has 208 divisors, whose sum is σ = 4538731392. Its totient is φ = 365690880.

The previous prime is 1394872273. The next prime is 1394872333. The reversal of 1394872320 is 232784931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4484965 + ... + 4485275.

It is an arithmetic number, because the mean of its divisors is an integer number (21820824).

Almost surely, 2^1394872320 is an apocalyptic number.

1394872320 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 1394872320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269365696).

1394872320 is an abundant number, since it is smaller than the sum of its proper divisors (3143859072).

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

1394872320 is an equidigital number, since it uses as much as digits as its factorization.

1394872320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1394872320 is about 37347.9895041219. The cubic root of 1394872320 is about 1117.3214905371.

It can be divided in two parts, 13948 and 72320, that added together give a palindrome (86268).

The spelling of 1394872320 in words is "one billion, three hundred ninety-four million, eight hundred seventy-two thousand, three hundred twenty".