861834948 has 48 divisors (see below), whose sum is σ = 2202365760. Its totient is φ = 260682624.

The previous prime is 861834947. The next prime is 861834949. The reversal of 861834948 is 849438168.

It is an interprime number because it is at equal distance from previous prime (861834947) and next prime (861834949).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 861834948.

It is not an unprimeable number, because it can be changed into a prime (861834943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37615 + ... + 56022.

It is an arithmetic number, because the mean of its divisors is an integer number (45882620).

Almost surely, 2^861834948 is an apocalyptic number.

It is an amenable number.

861834948 is an abundant number, since it is smaller than the sum of its proper divisors (1340530812).

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

861834948 is a wasteful number, since it uses less digits than its factorization.

861834948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93716 (or 93714 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 861834948 is about 29357.0255305268. The cubic root of 861834948 is about 951.6444088363.

The spelling of 861834948 in words is "eight hundred sixty-one million, eight hundred thirty-four thousand, nine hundred forty-eight".