8861742 has 12 divisors (see below), whose sum is σ = 19200480. Its totient is φ = 2953908.

The previous prime is 8861729. The next prime is 8861747. The reversal of 8861742 is 2471688.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8861697 and 8861706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246142 + ... + 246177.

It is an arithmetic number, because the mean of its divisors is an integer number (1600040).

Almost surely, 2^8861742 is an apocalyptic number.

8861742 is an abundant number, since it is smaller than the sum of its proper divisors (10338738).

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

8861742 is a wasteful number, since it uses less digits than its factorization.

8861742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492327 (or 492324 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 8861742 is about 2976.8678170184. The cubic root of 8861742 is about 206.9377394495.

It can be divided in two parts, 886 and 1742, that added together give a triangular number (2628 = T₇₂).

The spelling of 8861742 in words is "eight million, eight hundred sixty-one thousand, seven hundred forty-two".