1386412774 has 8 divisors (see below), whose sum is σ = 2082435480. Its totient is φ = 692267616.

The previous prime is 1386412763. The next prime is 1386412777. The reversal of 1386412774 is 4772146831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1386412774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386412777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467539 + ... + 470494.

It is an arithmetic number, because the mean of its divisors is an integer number (260304435).

Almost surely, 2^1386412774 is an apocalyptic number.

1386412774 is a deficient number, since it is larger than the sum of its proper divisors (696022706).

1386412774 is an equidigital number, since it uses as much as digits as its factorization.

1386412774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938774.

The product of its digits is 225792, while the sum is 43.

The square root of 1386412774 is about 37234.5642380839. The cubic root of 1386412774 is about 1115.0581519002.

The spelling of 1386412774 in words is "one billion, three hundred eighty-six million, four hundred twelve thousand, seven hundred seventy-four".