1386970 has 32 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 499008.

The previous prime is 1386953. The next prime is 1386977. The reversal of 1386970 is 796831.

It is not an unprimeable number, because it can be changed into a prime (1386977) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5997 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2^1386970 is an apocalyptic number.

1386970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1386970 is a deficient number, since it is larger than the sum of its proper divisors (1370918).

1386970 is a wasteful number, since it uses less digits than its factorization.

1386970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1386970 is about 1177.6969049802. The cubic root of 1386970 is about 111.5207519674.

The spelling of 1386970 in words is "one million, three hundred eighty-six thousand, nine hundred seventy".