1388414811 has 16 divisors (see below), whose sum is σ = 2116287488. Its totient is φ = 793152000.

The previous prime is 1388414791. The next prime is 1388414851. The reversal of 1388414811 is 1184148831.

It is not a de Polignac number, because 1388414811 - 2⁵ = 1388414779 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1388414811.

It is not an unprimeable number, because it can be changed into a prime (1388414851) 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, 89211 + ... + 103611.

It is an arithmetic number, because the mean of its divisors is an integer number (132267968).

Almost surely, 2^1388414811 is an apocalyptic number.

1388414811 is a deficient number, since it is larger than the sum of its proper divisors (727872677).

1388414811 is a wasteful number, since it uses less digits than its factorization.

1388414811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002.

The product of its digits is 24576, while the sum is 39.

The square root of 1388414811 is about 37261.4386598263. The cubic root of 1388414811 is about 1115.5946236800.

The spelling of 1388414811 in words is "one billion, three hundred eighty-eight million, four hundred fourteen thousand, eight hundred eleven".