230628261 has 8 divisors (see below), whose sum is σ = 308615584. Its totient is φ = 153196560.

The previous prime is 230628259. The next prime is 230628283. The reversal of 230628261 is 162826032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230628261 - 2¹ = 230628259 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 (230628361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137935 + ... + 139596.

It is an arithmetic number, because the mean of its divisors is an integer number (38576948).

Almost surely, 2^230628261 is an apocalyptic number.

It is an amenable number.

230628261 is a deficient number, since it is larger than the sum of its proper divisors (77987323).

230628261 is a wasteful number, since it uses less digits than its factorization.

230628261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277811.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 230628261 is about 15186.4499143151. The cubic root of 230628261 is about 613.2499311281.

The spelling of 230628261 in words is "two hundred thirty million, six hundred twenty-eight thousand, two hundred sixty-one".