1396648 has 32 divisors (see below), whose sum is σ = 2916000. Its totient is φ = 621760.

The previous prime is 1396627. The next prime is 1396657. The reversal of 1396648 is 8466931.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5058 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (91125).

2^1396648 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 1396648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458000).

1396648 is an abundant number, since it is smaller than the sum of its proper divisors (1519352).

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

1396648 is a wasteful number, since it uses less digits than its factorization.

1396648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 1396648 is about 1181.7986292089. The cubic root of 1396648 is about 111.7795408259.

The spelling of 1396648 in words is "one million, three hundred ninety-six thousand, six hundred forty-eight".