1399596 has 48 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 404800.

The previous prime is 1399589. The next prime is 1399603. The reversal of 1399596 is 6959931.

It is an interprime number because it is at equal distance from previous prime (1399589) and next prime (1399603).

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, 2806 + ... + 3266.

It is an arithmetic number, because the mean of its divisors is an integer number (77616).

2^1399596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1399596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862784).

1399596 is an abundant number, since it is smaller than the sum of its proper divisors (2325972).

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

1399596 is a wasteful number, since it uses less digits than its factorization.

1399596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its digits is 65610, while the sum is 42.

The square root of 1399596 is about 1183.0452231424. The cubic root of 1399596 is about 111.8581324507.

The spelling of 1399596 in words is "one million, three hundred ninety-nine thousand, five hundred ninety-six".