860266542 has 8 divisors (see below), whose sum is σ = 1720533096. Its totient is φ = 286755512.

The previous prime is 860266541. The next prime is 860266543. The reversal of 860266542 is 245662068.

It is an interprime number because it is at equal distance from previous prime (860266541) and next prime (860266543).

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

860266542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 860266542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860266541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71688873 + ... + 71688884.

It is an arithmetic number, because the mean of its divisors is an integer number (215066637).

Almost surely, 2^860266542 is an apocalyptic number.

860266542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

860266542 is a wasteful number, since it uses less digits than its factorization.

860266542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143377762.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 860266542 is about 29330.3007485433. The cubic root of 860266542 is about 951.0667765287.

The spelling of 860266542 in words is "eight hundred sixty million, two hundred sixty-six thousand, five hundred forty-two".