869845248 has 54 divisors (see below), whose sum is σ = 2507984934. Its totient is φ = 289947648.

The previous prime is 869845241. The next prime is 869845267. The reversal of 869845248 is 842548968.

It can be written as a sum of positive squares in only one way, i.e., 785793024 + 84052224 = 28032^2 + 9168^2 .

It is a Smith number, since the sum of its digits (54) 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 = 869845194 and 869845203.

It is not an unprimeable number, because it can be changed into a prime (869845241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186465 + ... + 191072.

Almost surely, 2^869845248 is an apocalyptic number.

It is an amenable number.

869845248 is an abundant number, since it is smaller than the sum of its proper divisors (1638139686).

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

869845248 is a wasteful number, since it uses less digits than its factorization.

869845248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377559 (or 377542 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 869845248 is about 29493.1389987570. The cubic root of 869845248 is about 954.5836650925.

The spelling of 869845248 in words is "eight hundred sixty-nine million, eight hundred forty-five thousand, two hundred forty-eight".