1393966 has 16 divisors (see below), whose sum is σ = 2530656. Its totient is φ = 562176.

The previous prime is 1393963. The next prime is 1393967. The reversal of 1393966 is 6693931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2691 + ... + 3166.

It is an arithmetic number, because the mean of its divisors is an integer number (158166).

2^1393966 is an apocalyptic number.

1393966 is a deficient number, since it is larger than the sum of its proper divisors (1136690).

1393966 is a wasteful number, since it uses less digits than its factorization.

1393966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883.

The product of its digits is 26244, while the sum is 37.

The square root of 1393966 is about 1180.6633728544. The cubic root of 1393966 is about 111.7079444437.

The spelling of 1393966 in words is "one million, three hundred ninety-three thousand, nine hundred sixty-six".