386461289 has 8 divisors (see below), whose sum is σ = 413414568. Its totient is φ = 359976960.

The previous prime is 386461277. The next prime is 386461301. The reversal of 386461289 is 982164683.

It is an interprime number because it is at equal distance from previous prime (386461277) and next prime (386461301).

It can be written as a sum of positive squares in 4 ways, for example, as 144192064 + 242269225 = 12008^2 + 15565^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 386461289 - 2¹⁶ = 386395753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386461219) 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, 115532 + ... + 118829.

It is an arithmetic number, because the mean of its divisors is an integer number (51676821).

Almost surely, 2^386461289 is an apocalyptic number.

It is an amenable number.

386461289 is a deficient number, since it is larger than the sum of its proper divisors (26953279).

386461289 is a wasteful number, since it uses less digits than its factorization.

386461289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234475.

The product of its digits is 497664, while the sum is 47.

The square root of 386461289 is about 19658.6186951169. The cubic root of 386461289 is about 728.3978681192.

The spelling of 386461289 in words is "three hundred eighty-six million, four hundred sixty-one thousand, two hundred eighty-nine".