1383450841 has 4 divisors (see below), whose sum is σ = 1384287412. Its totient is φ = 1382614272.

The previous prime is 1383450811. The next prime is 1383450847. The reversal of 1383450841 is 1480543831.

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 686702025 + 696748816 = 26205^2 + 26396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383450841 - 2¹¹ = 1383448793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1383450841.

It is not an unprimeable number, because it can be changed into a prime (1383450847) 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, 415800 + ... + 419113.

It is an arithmetic number, because the mean of its divisors is an integer number (346071853).

Almost surely, 2^1383450841 is an apocalyptic number.

It is an amenable number.

1383450841 is a deficient number, since it is larger than the sum of its proper divisors (836571).

1383450841 is an equidigital number, since it uses as much as digits as its factorization.

1383450841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836570.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1383450841 is about 37194.7690004925. The cubic root of 1383450841 is about 1114.2635154644.

The spelling of 1383450841 in words is "one billion, three hundred eighty-three million, four hundred fifty thousand, eight hundred forty-one".