1394672 has 20 divisors (see below), whose sum is σ = 2744616. Its totient is φ = 686400.

The previous prime is 1394671. The next prime is 1394681. The reversal of 1394672 is 2764931.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 3¹¹ + 9³ + 4⁹ + 6² + 7⁷ + 2¹⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394671) 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 3 ways as a sum of consecutive naturals, for example, 422 + ... + 1722.

2^1394672 is an apocalyptic number.

It is an amenable number.

1394672 is a deficient number, since it is larger than the sum of its proper divisors (1349944).

1394672 is a wasteful number, since it uses less digits than its factorization.

1394672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1370 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 1394672 is about 1180.9623194666. The cubic root of 1394672 is about 111.7268001160.

The spelling of 1394672 in words is "one million, three hundred ninety-four thousand, six hundred seventy-two".