304106861 has 4 divisors (see below), whose sum is σ = 304372224. Its totient is φ = 303841500.

The previous prime is 304106857. The next prime is 304106867. The reversal of 304106861 is 168601403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 168601403 = 1931 ⋅87313.

It is a cyclic number.

It is not a de Polignac number, because 304106861 - 2² = 304106857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304106867) 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, 130955 + ... + 133256.

It is an arithmetic number, because the mean of its divisors is an integer number (76093056).

Almost surely, 2^304106861 is an apocalyptic number.

It is an amenable number.

304106861 is a deficient number, since it is larger than the sum of its proper divisors (265363).

304106861 is a wasteful number, since it uses less digits than its factorization.

304106861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265362.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 304106861 is about 17438.6599542511. The cubic root of 304106861 is about 672.4738581068.

The spelling of 304106861 in words is "three hundred four million, one hundred six thousand, eight hundred sixty-one".