855897246 has 64 divisors (see below), whose sum is σ = 1972838400. Its totient is φ = 274827168.

The previous prime is 855897239. The next prime is 855897253. The reversal of 855897246 is 642798558.

It is an interprime number because it is at equal distance from previous prime (855897239) and next prime (855897253).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 855897192 and 855897201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203715 + ... + 207873.

It is an arithmetic number, because the mean of its divisors is an integer number (30825600).

Almost surely, 2^855897246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 855897246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986419200).

855897246 is an abundant number, since it is smaller than the sum of its proper divisors (1116941154).

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

855897246 is a wasteful number, since it uses less digits than its factorization.

855897246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4304 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 855897246 is about 29255.7215942455. The cubic root of 855897246 is about 949.4538859380.

The spelling of 855897246 in words is "eight hundred fifty-five million, eight hundred ninety-seven thousand, two hundred forty-six".