869820448 has 24 divisors (see below), whose sum is σ = 1957096512. Its totient is φ = 372780096.

The previous prime is 869820433. The next prime is 869820451. The reversal of 869820448 is 844028968.

It is a super-2 number, since 2×869820448² = 1513175223517841408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941340 + ... + 1941787.

It is an arithmetic number, because the mean of its divisors is an integer number (81545688).

Almost surely, 2^869820448 is an apocalyptic number.

It is an amenable number.

869820448 is an abundant number, since it is smaller than the sum of its proper divisors (1087276064).

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

869820448 is a wasteful number, since it uses less digits than its factorization.

869820448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883144 (or 3883136 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 869820448 is about 29492.7185589935. The cubic root of 869820448 is about 954.5745930191.

The spelling of 869820448 in words is "eight hundred sixty-nine million, eight hundred twenty thousand, four hundred forty-eight".