869238148 has 12 divisors (see below), whose sum is σ = 1532271132. Its totient is φ = 431446400.

The previous prime is 869238121. The next prime is 869238157. The reversal of 869238148 is 841832968.

869238148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163379524 + 705858624 = 12782^2 + 26568^2 .

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, 792553 + ... + 793648.

It is an arithmetic number, because the mean of its divisors is an integer number (127689261).

Almost surely, 2^869238148 is an apocalyptic number.

It is an amenable number.

869238148 is a deficient number, since it is larger than the sum of its proper divisors (663032984).

869238148 is a wasteful number, since it uses less digits than its factorization.

869238148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586342 (or 1586340 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 869238148 is about 29482.8449780546. The cubic root of 869238148 is about 954.3615326224.

The spelling of 869238148 in words is "eight hundred sixty-nine million, two hundred thirty-eight thousand, one hundred forty-eight".