1383402752 has 18 divisors (see below), whose sum is σ = 2761402098. Its totient is φ = 691701248.

The previous prime is 1383402743. The next prime is 1383402763. The reversal of 1383402752 is 2572043831.

It can be written as a sum of positive squares in only one way, i.e., 1343662336 + 39740416 = 36656^2 + 6304^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701703 + ... + 2702214.

Almost surely, 2^1383402752 is an apocalyptic number.

It is an amenable number.

1383402752 is a deficient number, since it is larger than the sum of its proper divisors (1377999346).

1383402752 is an frugal number, since it uses more digits than its factorization.

1383402752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403933 (or 5403919 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1383402752 is about 37194.1225464454. The cubic root of 1383402752 is about 1114.2506046481.

The spelling of 1383402752 in words is "one billion, three hundred eighty-three million, four hundred two thousand, seven hundred fifty-two".