1386790874 has 16 divisors (see below), whose sum is σ = 2383738368. Its totient is φ = 592743312.

The previous prime is 1386790849. The next prime is 1386790877. The reversal of 1386790874 is 4780976831.

It is a Smith number, since the sum of its digits (53) 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 (1386790877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127562 + ... + 138005.

It is an arithmetic number, because the mean of its divisors is an integer number (148983648).

Almost surely, 2^1386790874 is an apocalyptic number.

1386790874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1386790874 is a deficient number, since it is larger than the sum of its proper divisors (996947494).

1386790874 is a wasteful number, since it uses less digits than its factorization.

1386790874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265949.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The square root of 1386790874 is about 37239.6411636847. The cubic root of 1386790874 is about 1115.1595082385.

The spelling of 1386790874 in words is "one billion, three hundred eighty-six million, seven hundred ninety thousand, eight hundred seventy-four".