862641052 has 48 divisors (see below), whose sum is σ = 1865267712. Its totient is φ = 339929280.

The previous prime is 862641037. The next prime is 862641071. The reversal of 862641052 is 250146268.

It is a junction number, because it is equal to n+sod(n) for n = 862640999 and 862641017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91227 + ... + 100237.

It is an arithmetic number, because the mean of its divisors is an integer number (38859744).

Almost surely, 2^862641052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862641052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932633856).

862641052 is an abundant number, since it is smaller than the sum of its proper divisors (1002626660).

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

862641052 is a wasteful number, since it uses less digits than its factorization.

862641052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298 (or 9296 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 862641052 is about 29370.7516417268. The cubic root of 862641052 is about 951.9410183429.

The spelling of 862641052 in words is "eight hundred sixty-two million, six hundred forty-one thousand, fifty-two".