1393628 has 6 divisors (see below), whose sum is σ = 2438856. Its totient is φ = 696812.

The previous prime is 1393627. The next prime is 1393633. The reversal of 1393628 is 8263931.

It is a junction number, because it is equal to n+sod(n) for n = 1393594 and 1393603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393627) by changing a digit.

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 as a sum of consecutive naturals, namely, 174200 + ... + 174207.

It is an arithmetic number, because the mean of its divisors is an integer number (406476).

2^1393628 is an apocalyptic number.

It is an amenable number.

1393628 is a deficient number, since it is larger than the sum of its proper divisors (1045228).

1393628 is a wasteful number, since it uses less digits than its factorization.

1393628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348411 (or 348409 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1393628 is about 1180.5202243079. The cubic root of 1393628 is about 111.6989149701.

The spelling of 1393628 in words is "one million, three hundred ninety-three thousand, six hundred twenty-eight".