288630948 has 24 divisors (see below), whose sum is σ = 687802752. Its totient is φ = 94163104.

The previous prime is 288630911. The next prime is 288630949. The reversal of 288630948 is 849036882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 288630897 and 288630906.

It is not an unprimeable number, because it can be changed into a prime (288630949) 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, 255315 + ... + 256442.

It is an arithmetic number, because the mean of its divisors is an integer number (28658448).

Almost surely, 2^288630948 is an apocalyptic number.

It is an amenable number.

288630948 is an abundant number, since it is smaller than the sum of its proper divisors (399171804).

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

288630948 is a wasteful number, since it uses less digits than its factorization.

288630948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511811 (or 511809 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 288630948 is about 16989.1420619171. The cubic root of 288630948 is about 660.8673536798.

The spelling of 288630948 in words is "two hundred eighty-eight million, six hundred thirty thousand, nine hundred forty-eight".