1384112691 has 48 divisors (see below), whose sum is σ = 2256325344. Its totient is φ = 842793984.

The previous prime is 1384112689. The next prime is 1384112693. The reversal of 1384112691 is 1962114831.

1384112691 is a `hidden beast` number, since 1 + 384 + 11 + 269 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1384112689) and next prime (1384112693).

It is not a de Polignac number, because 1384112691 - 2¹ = 1384112689 is a prime.

It is a super-2 number, since 2×1384112691² = 3831535882774522962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1384112693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304165 + ... + 308681.

It is an arithmetic number, because the mean of its divisors is an integer number (47006778).

Almost surely, 2^1384112691 is an apocalyptic number.

1384112691 is a deficient number, since it is larger than the sum of its proper divisors (872212653).

1384112691 is an equidigital number, since it uses as much as digits as its factorization.

1384112691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642 (or 4630 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1384112691 is about 37203.6650210702. The cubic root of 1384112691 is about 1114.4411769356.

The spelling of 1384112691 in words is "one billion, three hundred eighty-four million, one hundred twelve thousand, six hundred ninety-one".