1383949 has 8 divisors (see below), whose sum is σ = 1590848. Its totient is φ = 1179360.

The previous prime is 1383947. The next prime is 1383959. The reversal of 1383949 is 9493831.

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

It is not a de Polignac number, because 1383949 - 2¹ = 1383947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383947) 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, 1009 + ... + 1945.

It is an arithmetic number, because the mean of its divisors is an integer number (198856).

2^1383949 is an apocalyptic number.

It is an amenable number.

1383949 is a deficient number, since it is larger than the sum of its proper divisors (206899).

1383949 is an equidigital number, since it uses as much as digits as its factorization.

1383949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its digits is 23328, while the sum is 37.

The square root of 1383949 is about 1176.4136177383. The cubic root of 1383949 is about 111.4397242367.

It can be divided in two parts, 1383 and 949, that added together give a palindrome (2332).

The spelling of 1383949 in words is "one million, three hundred eighty-three thousand, nine hundred forty-nine".