1393974 has 24 divisors (see below), whose sum is σ = 3092232. Its totient is φ = 453600.

The previous prime is 1393969. The next prime is 1393979. The reversal of 1393974 is 4793931.

It is an interprime number because it is at equal distance from previous prime (1393969) and next prime (1393979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (128843).

2^1393974 is an apocalyptic number.

1393974 is an abundant number, since it is smaller than the sum of its proper divisors (1698258).

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

1393974 is a wasteful number, since it uses less digits than its factorization.

1393974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1849 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1393974 is about 1180.6667607755. Note that the first 3 decimals coincide. The cubic root of 1393974 is about 111.7081581414.

The spelling of 1393974 in words is "one million, three hundred ninety-three thousand, nine hundred seventy-four".