1387304 has 16 divisors (see below), whose sum is σ = 2738400. Its totient is φ = 657072.

The previous prime is 1387289. The next prime is 1387313. The reversal of 1387304 is 4037831.

It is a super-2 number, since 2×1387304² = 3849224776832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412 + ... + 4715.

It is an arithmetic number, because the mean of its divisors is an integer number (171150).

2^1387304 is an apocalyptic number.

It is an amenable number.

1387304 is a deficient number, since it is larger than the sum of its proper divisors (1351096).

1387304 is a wasteful number, since it uses less digits than its factorization.

1387304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152 (or 9148 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1387304 is about 1177.8386986341. The cubic root of 1387304 is about 111.5297031203.

The spelling of 1387304 in words is "one million, three hundred eighty-seven thousand, three hundred four".