1387008328 has 16 divisors (see below), whose sum is σ = 2602507500. Its totient is φ = 693006336.

The previous prime is 1387008263. The next prime is 1387008331. The reversal of 1387008328 is 8238007831.

It can be written as a sum of positive squares in 2 ways, for example, as 1241998564 + 145009764 = 35242^2 + 12042^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 50253 + ... + 72796.

Almost surely, 2^1387008328 is an apocalyptic number.

It is an amenable number.

1387008328 is a deficient number, since it is larger than the sum of its proper divisors (1215499172).

1387008328 is a wasteful number, since it uses less digits than its factorization.

1387008328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124464 (or 124460 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1387008328 is about 37242.5607068043. The cubic root of 1387008328 is about 1115.2177922539.

The spelling of 1387008328 in words is "one billion, three hundred eighty-seven million, eight thousand, three hundred twenty-eight".