869897148 has 24 divisors (see below), whose sum is σ = 2030246400. Its totient is φ = 289896240.

The previous prime is 869897141. The next prime is 869897153. The reversal of 869897148 is 841798968.

It is a junction number, because it is equal to n+sod(n) for n = 869897091 and 869897100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869897141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78453 + ... + 88851.

It is an arithmetic number, because the mean of its divisors is an integer number (84593600).

Almost surely, 2^869897148 is an apocalyptic number.

It is an amenable number.

869897148 is an abundant number, since it is smaller than the sum of its proper divisors (1160349252).

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

869897148 is a wasteful number, since it uses less digits than its factorization.

869897148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17377 (or 17375 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 60.

The square root of 869897148 is about 29494.0188512858. The cubic root of 869897148 is about 954.6026500430.

The spelling of 869897148 in words is "eight hundred sixty-nine million, eight hundred ninety-seven thousand, one hundred forty-eight".