869963004 has 60 divisors (see below), whose sum is σ = 2277752400. Its totient is φ = 289541952.

The previous prime is 869962999. The next prime is 869963021. The reversal of 869963004 is 400369968.

869963004 is a `hidden beast` number, since 8 + 6 + 9 + 9 + 630 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 260457 + ... + 263775.

It is an arithmetic number, because the mean of its divisors is an integer number (37962540).

Almost surely, 2^869963004 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 869963004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138876200).

869963004 is an abundant number, since it is smaller than the sum of its proper divisors (1407789396).

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

869963004 is a wasteful number, since it uses less digits than its factorization.

869963004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144 (or 4133 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 869963004 is about 29495.1352599035. The cubic root of 869963004 is about 954.6267389927.

It can be divided in two parts, 86996 and 3004, that added together give a square (90000 = 300²).

The spelling of 869963004 in words is "eight hundred sixty-nine million, nine hundred sixty-three thousand, four".