1382976444 has 12 divisors (see below), whose sum is σ = 3226945064. Its totient is φ = 460992144.

The previous prime is 1382976437. The next prime is 1382976451. The reversal of 1382976444 is 4446792831.

It is an interprime number because it is at equal distance from previous prime (1382976437) and next prime (1382976451).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1382976393 and 1382976402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57624007 + ... + 57624030.

Almost surely, 2^1382976444 is an apocalyptic number.

It is an amenable number.

1382976444 is an abundant number, since it is smaller than the sum of its proper divisors (1843968620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1382976444 is a wasteful number, since it uses less digits than its factorization.

1382976444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115248044 (or 115248042 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 1382976444 is about 37188.3912531854. The cubic root of 1382976444 is about 1114.1361374409.

The spelling of 1382976444 in words is "one billion, three hundred eighty-two million, nine hundred seventy-six thousand, four hundred forty-four".