1394249 has 4 divisors (see below), whose sum is σ = 1404564. Its totient is φ = 1383936.

The previous prime is 1394209. The next prime is 1394251. The reversal of 1394249 is 9424931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 525625 = 932^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394249 - 2²⁰ = 345673 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1394209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4952 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (351141).

2^1394249 is an apocalyptic number.

It is an amenable number.

1394249 is a deficient number, since it is larger than the sum of its proper divisors (10315).

1394249 is a wasteful number, since it uses less digits than its factorization.

1394249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314.

The product of its digits is 7776, while the sum is 32.

The square root of 1394249 is about 1180.7832146503. The cubic root of 1394249 is about 111.7155035016.

The spelling of 1394249 in words is "one million, three hundred ninety-four thousand, two hundred forty-nine".