1387016 has 16 divisors (see below), whose sum is σ = 2614140. Its totient is φ = 689920.

The previous prime is 1387007. The next prime is 1387021. The reversal of 1387016 is 6107831.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 64516 = 1150^2 + 254^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940 + ... + 2556.

2^1387016 is an apocalyptic number.

It is an amenable number.

1387016 is a deficient number, since it is larger than the sum of its proper divisors (1227124).

1387016 is a wasteful number, since it uses less digits than its factorization.

1387016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1387016 is about 1177.7164344612. The cubic root of 1387016 is about 111.5219848462.

The spelling of 1387016 in words is "one million, three hundred eighty-seven thousand, sixteen".