384461261 has 4 divisors (see below), whose sum is σ = 401176992. Its totient is φ = 367745532.

The previous prime is 384461243. The next prime is 384461263. The reversal of 384461261 is 162164483.

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 384461261 - 2⁶ = 384461197 is a prime.

It is a super-2 number, since 2×384461261² = 295620922419420242, 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 (384461263) 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 3 ways as a sum of consecutive naturals, for example, 8357831 + ... + 8357876.

It is an arithmetic number, because the mean of its divisors is an integer number (100294248).

Almost surely, 2^384461261 is an apocalyptic number.

It is an amenable number.

384461261 is a deficient number, since it is larger than the sum of its proper divisors (16715731).

384461261 is a wasteful number, since it uses less digits than its factorization.

384461261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715730.

The product of its digits is 27648, while the sum is 35.

The square root of 384461261 is about 19607.6837234794. The cubic root of 384461261 is about 727.1391508424.

The spelling of 384461261 in words is "three hundred eighty-four million, four hundred sixty-one thousand, two hundred sixty-one".