707988 has 24 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 230080.

The previous prime is 707983. The next prime is 708007. The reversal of 707988 is 889707.

707988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 707988.

It is not an unprimeable number, because it can be changed into a prime (707981) by changing a digit.

707988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 1211.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2⁷⁰⁷⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

707988 is an abundant number, since it is smaller than the sum of its proper divisors (985452).

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

707988 is a wasteful number, since it uses less digits than its factorization.

707988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 707988 is about 841.4202279480. The cubic root of 707988 is about 89.1268653219.

The spelling of 707988 in words is "seven hundred seven thousand, nine hundred eighty-eight".