1384961671 has 4 divisors (see below), whose sum is σ = 1432719000. Its totient is φ = 1337204344.

The previous prime is 1384961657. The next prime is 1384961681. The reversal of 1384961671 is 1761694831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1384961671 - 2²⁹ = 848090759 is a prime.

It is a super-2 number, since 2×1384961671² = 3836237660278224482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384961651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23878621 + ... + 23878678.

It is an arithmetic number, because the mean of its divisors is an integer number (358179750).

Almost surely, 2^1384961671 is an apocalyptic number.

1384961671 is a deficient number, since it is larger than the sum of its proper divisors (47757329).

1384961671 is an equidigital number, since it uses as much as digits as its factorization.

1384961671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47757328.

The product of its digits is 217728, while the sum is 46.

The square root of 1384961671 is about 37215.0731693490. The cubic root of 1384961671 is about 1114.6689871172.

The spelling of 1384961671 in words is "one billion, three hundred eighty-four million, nine hundred sixty-one thousand, six hundred seventy-one".