1396766976 has 144 divisors (see below), whose sum is σ = 4098040128. Its totient is φ = 418816000.

The previous prime is 1396766953. The next prime is 1396766989. The reversal of 1396766976 is 6796676931.

It is an unprimeable number.

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, 852430 + ... + 854066.

It is an arithmetic number, because the mean of its divisors is an integer number (28458612).

Almost surely, 2^1396766976 is an apocalyptic number.

1396766976 is a gapful number since it is divisible by the number (16) 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 1396766976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2049020064).

1396766976 is an abundant number, since it is smaller than the sum of its proper divisors (2701273152).

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

1396766976 is a wasteful number, since it uses less digits than its factorization.

1396766976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1754 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 60.

The square root of 1396766976 is about 37373.3457961687. The cubic root of 1396766976 is about 1117.8271478359.

The spelling of 1396766976 in words is "one billion, three hundred ninety-six million, seven hundred sixty-six thousand, nine hundred seventy-six".