387919161 has 12 divisors (see below), whose sum is σ = 640374592. Its totient is φ = 221668056.

The previous prime is 387919139. The next prime is 387919171. The reversal of 387919161 is 161919783.

It is not a de Polignac number, because 387919161 - 2⁶ = 387919097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387919171) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3078661 + ... + 3078786.

Almost surely, 2^387919161 is an apocalyptic number.

It is an amenable number.

387919161 is a deficient number, since it is larger than the sum of its proper divisors (252455431).

387919161 is a wasteful number, since it uses less digits than its factorization.

387919161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157460 (or 6157457 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 387919161 is about 19695.6635074831. The cubic root of 387919161 is about 729.3126456785.

The spelling of 387919161 in words is "three hundred eighty-seven million, nine hundred nineteen thousand, one hundred sixty-one".