1386853970 has 32 divisors (see below), whose sum is σ = 2525257728. Its totient is φ = 548347968.

The previous prime is 1386853933. The next prime is 1386853973. The reversal of 1386853970 is 793586831.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1386853973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370247 + ... + 373973.

It is an arithmetic number, because the mean of its divisors is an integer number (78914304).

Almost surely, 2^1386853970 is an apocalyptic number.

1386853970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1386853970 is a deficient number, since it is larger than the sum of its proper divisors (1138403758).

1386853970 is a wasteful number, since it uses less digits than its factorization.

1386853970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1386853970 is about 37240.4883158103. The cubic root of 1386853970 is about 1115.1764204345.

The spelling of 1386853970 in words is "one billion, three hundred eighty-six million, eight hundred fifty-three thousand, nine hundred seventy".