1396773504 has 128 divisors (see below), whose sum is σ = 4711420800. Its totient is φ = 399071232.

The previous prime is 1396773503. The next prime is 1396773517. The reversal of 1396773504 is 4053776931.

1396773504 is a `hidden beast` number, since 13 + 9 + 67 + 73 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 1396773504.

It is not an unprimeable number, because it can be changed into a prime (1396773503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4677 + ... + 53060.

It is an arithmetic number, because the mean of its divisors is an integer number (36807975).

Almost surely, 2^1396773504 is an apocalyptic number.

1396773504 is a gapful number since it is divisible by the number (14) 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 1396773504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355710400).

1396773504 is an abundant number, since it is smaller than the sum of its proper divisors (3314647296).

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

1396773504 is an equidigital number, since it uses as much as digits as its factorization.

1396773504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57767 (or 57749 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 1396773504 is about 37373.4331310357. The cubic root of 1396773504 is about 1117.8288892774.

The spelling of 1396773504 in words is "one billion, three hundred ninety-six million, seven hundred seventy-three thousand, five hundred four".