1386120446 has 16 divisors (see below), whose sum is σ = 2117877840. Its totient is φ = 680210880.

The previous prime is 1386120431. The next prime is 1386120451. The reversal of 1386120446 is 6440216831.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44810 + ... + 69138.

It is an arithmetic number, because the mean of its divisors is an integer number (132367365).

Almost surely, 2^1386120446 is an apocalyptic number.

1386120446 is a deficient number, since it is larger than the sum of its proper divisors (731757394).

1386120446 is a wasteful number, since it uses less digits than its factorization.

1386120446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24859.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1386120446 is about 37230.6385387089. The cubic root of 1386120446 is about 1114.9797756190.

The spelling of 1386120446 in words is "one billion, three hundred eighty-six million, one hundred twenty thousand, four hundred forty-six".