1393489441 has 8 divisors (see below), whose sum is σ = 1397418560. Its totient is φ = 1389567312.

The previous prime is 1393489423. The next prime is 1393489451. The reversal of 1393489441 is 1449843931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1393489441 - 2¹³ = 1393481249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1393489391 and 1393489400.

It is not an unprimeable number, because it can be changed into a prime (1393489421) 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, 954370 + ... + 955828.

It is an arithmetic number, because the mean of its divisors is an integer number (174677320).

Almost surely, 2^1393489441 is an apocalyptic number.

It is an amenable number.

1393489441 is a deficient number, since it is larger than the sum of its proper divisors (3929119).

1393489441 is a wasteful number, since it uses less digits than its factorization.

1393489441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its digits is 373248, while the sum is 46.

The square root of 1393489441 is about 37329.4714803197. The cubic root of 1393489441 is about 1116.9521302507.

The spelling of 1393489441 in words is "one billion, three hundred ninety-three million, four hundred eighty-nine thousand, four hundred forty-one".