1399296 has 40 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 465920.

The previous prime is 1399283. The next prime is 1399301. The reversal of 1399296 is 6929931.

It is a happy number.

It is a zygodrome in base 4.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1081 + ... + 1991.

2^1399296 is an apocalyptic number.

1399296 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 1399296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865952).

1399296 is an abundant number, since it is smaller than the sum of its proper divisors (2332608).

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

1399296 is an frugal number, since it uses more digits than its factorization.

1399296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 916 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 1399296 is about 1182.9184249136. The cubic root of 1399296 is about 111.8501397067.

The spelling of 1399296 in words is "one million, three hundred ninety-nine thousand, two hundred ninety-six".