1394538 has 16 divisors (see below), whose sum is σ = 2831520. Its totient is φ = 457776.

The previous prime is 1394509. The next prime is 1394539. The reversal of 1394538 is 8354931.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1394499 and 1394508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394539) 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 in 7 ways as a sum of consecutive naturals, for example, 1333 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (176970).

2^1394538 is an apocalyptic number.

1394538 is an abundant number, since it is smaller than the sum of its proper divisors (1436982).

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

1394538 is a wasteful number, since it uses less digits than its factorization.

1394538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541.

The product of its digits is 12960, while the sum is 33.

The square root of 1394538 is about 1180.9055847103. The cubic root of 1394538 is about 111.7232217667.

The spelling of 1394538 in words is "one million, three hundred ninety-four thousand, five hundred thirty-eight".