1394309376 has 180 divisors, whose sum is σ = 4377634800. Its totient is φ = 440183808.

The previous prime is 1394309353. The next prime is 1394309377. The reversal of 1394309376 is 6739034931.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1394309377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 392215 + ... + 395753.

Almost surely, 2^1394309376 is an apocalyptic number.

1394309376 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 1394309376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188817400).

1394309376 is an abundant number, since it is smaller than the sum of its proper divisors (2983325424).

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

1394309376 is an equidigital number, since it uses as much as digits as its factorization.

1394309376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The square root of 1394309376 is about 37340.4522736402. The cubic root of 1394309376 is about 1117.1711603945.

The spelling of 1394309376 in words is "one billion, three hundred ninety-four million, three hundred nine thousand, three hundred seventy-six".