1399896000 has 224 divisors, whose sum is σ = 5136855360. Its totient is φ = 373248000.

The previous prime is 1399895993. The next prime is 1399896013. The reversal of 1399896000 is 6989931.

1399896000 is a `hidden beast` number, since 1 + 39 + 9 + 8 + 9 + 600 + 0 = 666.

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 31 ways as a sum of consecutive naturals, for example, 212760 + ... + 219240.

It is an arithmetic number, because the mean of its divisors is an integer number (22932390).

Almost surely, 2^1399896000 is an apocalyptic number.

1399896000 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 1399896000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2568427680).

1399896000 is an abundant number, since it is smaller than the sum of its proper divisors (3736959360).

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

1399896000 is an equidigital number, since it uses as much as digits as its factorization.

1399896000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517 (or 6491 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1399896000 is about 37415.1840834707. The cubic root of 1399896000 is about 1118.6612405264.

The spelling of 1399896000 in words is "one billion, three hundred ninety-nine million, eight hundred ninety-six thousand".