708387489 has 12 divisors (see below), whose sum is σ = 1023474816. Its totient is φ = 472143672.

The previous prime is 708387481. The next prime is 708387497. The reversal of 708387489 is 984783807.

708387489 is a `hidden beast` number, since 7 + 0 + 83 + 87 + 489 = 666.

It is an interprime number because it is at equal distance from previous prime (708387481) and next prime (708387497).

It is not a de Polignac number, because 708387489 - 2³ = 708387481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (708387481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47512 + ... + 60614.

It is an arithmetic number, because the mean of its divisors is an integer number (85289568).

Almost surely, 2^708387489 is an apocalyptic number.

It is an amenable number.

708387489 is a deficient number, since it is larger than the sum of its proper divisors (315087327).

708387489 is a wasteful number, since it uses less digits than its factorization.

708387489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116 (or 19113 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 708387489 is about 26615.5497594921. The cubic root of 708387489 is about 891.4362573192.

The spelling of 708387489 in words is "seven hundred eight million, three hundred eighty-seven thousand, four hundred eighty-nine".