387961341 has 4 divisors (see below), whose sum is σ = 517281792. Its totient is φ = 258640892.

The previous prime is 387961331. The next prime is 387961363. The reversal of 387961341 is 143169783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 387961341 - 2⁷ = 387961213 is a prime.

It is a super-2 number, since 2×387961341² = 301028004221036562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 387961293 and 387961302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387961331) 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, 64660221 + ... + 64660226.

It is an arithmetic number, because the mean of its divisors is an integer number (129320448).

Almost surely, 2^387961341 is an apocalyptic number.

It is an amenable number.

387961341 is a deficient number, since it is larger than the sum of its proper divisors (129320451).

387961341 is a wasteful number, since it uses less digits than its factorization.

387961341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129320450.

The product of its digits is 108864, while the sum is 42.

The square root of 387961341 is about 19696.7342724625. The cubic root of 387961341 is about 729.3390784129.

The spelling of 387961341 in words is "three hundred eighty-seven million, nine hundred sixty-one thousand, three hundred forty-one".