1394020 has 24 divisors (see below), whose sum is σ = 2991744. Its totient is φ = 545376.

The previous prime is 1394009. The next prime is 1394021. The reversal of 1394020 is 204931.

It is not an unprimeable number, because it can be changed into a prime (1394021) 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, 199 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (124656).

2^1394020 is an apocalyptic number.

1394020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394020 is an abundant number, since it is smaller than the sum of its proper divisors (1597724).

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

1394020 is a wasteful number, since it uses less digits than its factorization.

1394020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1394020 is about 1180.6862411327. The cubic root of 1394020 is about 111.7093868871.

Adding to 1394020 its reverse (204931), we get a palindrome (1598951).

The spelling of 1394020 in words is "one million, three hundred ninety-four thousand, twenty".