1394487 has 6 divisors (see below), whose sum is σ = 2014272. Its totient is φ = 929652.

The previous prime is 1394479. The next prime is 1394489. The reversal of 1394487 is 7844931.

It is a happy number.

It is not a de Polignac number, because 1394487 - 2³ = 1394479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77463 + ... + 77480.

It is an arithmetic number, because the mean of its divisors is an integer number (335712).

2^1394487 is an apocalyptic number.

1394487 is a deficient number, since it is larger than the sum of its proper divisors (619785).

1394487 is a wasteful number, since it uses less digits than its factorization.

1394487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154949 (or 154946 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1394487 is about 1180.8839909153. The cubic root of 1394487 is about 111.7218597974.

It can be divided in two parts, 1394 and 487, that added together give a palindrome (1881).

The spelling of 1394487 in words is "one million, three hundred ninety-four thousand, four hundred eighty-seven".