860299452 has 144 divisors (see below), whose sum is σ = 2360886528. Its totient is φ = 263450880.

The previous prime is 860299411. The next prime is 860299457. The reversal of 860299452 is 254992068.

It is a super-2 number, since 2×860299452² = 1480230294223000608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 860299398 and 860299407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860299457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2598927 + ... + 2599257.

Almost surely, 2^860299452 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 860299452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180443264).

860299452 is an abundant number, since it is smaller than the sum of its proper divisors (1500587076).

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

860299452 is a wasteful number, since it uses less digits than its factorization.

860299452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 860299452 is about 29330.8617670876. The cubic root of 860299452 is about 951.0789042460.

It can be divided in two parts, 86029 and 9452, that added together give a square (95481 = 309²).

The spelling of 860299452 in words is "eight hundred sixty million, two hundred ninety-nine thousand, four hundred fifty-two".