1383491 has 8 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 1342120.

The previous prime is 1383479. The next prime is 1383493. The reversal of 1383491 is 1943831.

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 1383491 - 2¹⁸ = 1121347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383493) 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, 7640 + ... + 7818.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

2^1383491 is an apocalyptic number.

1383491 is a deficient number, since it is larger than the sum of its proper divisors (42109).

1383491 is a wasteful number, since it uses less digits than its factorization.

1383491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369.

The product of its digits is 2592, while the sum is 29.

The square root of 1383491 is about 1176.2189422042. The cubic root of 1383491 is about 111.4274297025.

The spelling of 1383491 in words is "one million, three hundred eighty-three thousand, four hundred ninety-one".