861230 has 16 divisors (see below), whose sum is σ = 1573344. Its totient is φ = 339360.

The previous prime is 861221. The next prime is 861239. The reversal of 861230 is 32168.

It is an interprime number because it is at equal distance from previous prime (861221) and next prime (861239).

It is a super-2 number, since 2×861230² = 1483434225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861239) 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, 104 + ... + 1316.

It is an arithmetic number, because the mean of its divisors is an integer number (98334).

2⁸⁶¹²³⁰ is an apocalyptic number.

861230 is a deficient number, since it is larger than the sum of its proper divisors (712114).

861230 is a wasteful number, since it uses less digits than its factorization.

861230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 861230 is about 928.0247841518. The cubic root of 861230 is about 95.1421694060.

Adding to 861230 its reverse (32168), we get a palindrome (893398).

The spelling of 861230 in words is "eight hundred sixty-one thousand, two hundred thirty".