860442330 has 64 divisors (see below), whose sum is σ = 2261167488. Its totient is φ = 207816960.

The previous prime is 860442311. The next prime is 860442343. The reversal of 860442330 is 33244068.

It is a super-2 number, since 2×860442330² = 1480722006511657800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86704 + ... + 96116.

It is an arithmetic number, because the mean of its divisors is an integer number (35330742).

Almost surely, 2^860442330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860442330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1130583744).

860442330 is an abundant number, since it is smaller than the sum of its proper divisors (1400725158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

860442330 is a wasteful number, since it uses less digits than its factorization.

860442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 860442330 is about 29333.2972916445. The cubic root of 860442330 is about 951.1315528633.

Adding to 860442330 its reverse (33244068), we get a palindrome (893686398).

The spelling of 860442330 in words is "eight hundred sixty million, four hundred forty-two thousand, three hundred thirty".