1382301621 has 6 divisors (see below), whose sum is σ = 1996657910. Its totient is φ = 921534408.

The previous prime is 1382301601. The next prime is 1382301643. The reversal of 1382301621 is 1261032831.

It is a happy number.

1382301621 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 30 + 1 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 911194596 + 471107025 = 30186^2 + 21705^2 .

It is not a de Polignac number, because 1382301621 - 2¹¹ = 1382299573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382301601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76794526 + ... + 76794543.

Almost surely, 2^1382301621 is an apocalyptic number.

It is an amenable number.

1382301621 is a deficient number, since it is larger than the sum of its proper divisors (614356289).

1382301621 is a wasteful number, since it uses less digits than its factorization.

1382301621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153589075 (or 153589072 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1382301621 is about 37179.3171131477. The cubic root of 1382301621 is about 1113.9548938113.

The spelling of 1382301621 in words is "one billion, three hundred eighty-two million, three hundred one thousand, six hundred twenty-one".