708381 has 12 divisors (see below), whose sum is σ = 1056640. Its totient is φ = 456840.

The previous prime is 708371. The next prime is 708403. The reversal of 708381 is 183807.

It is not a de Polignac number, because 708381 - 2⁹ = 707869 is a prime.

It is a super-2 number, since 2×708381² = 1003607282322, which contains 22 as substring.

It is a Duffinian number.

708381 is a lucky number.

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 708381.

It is not an unprimeable number, because it can be changed into a prime (708311) 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, 991 + ... + 1548.

2⁷⁰⁸³⁸¹ is an apocalyptic number.

It is an amenable number.

708381 is a deficient number, since it is larger than the sum of its proper divisors (348259).

708381 is a wasteful number, since it uses less digits than its factorization.

708381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 708381 is about 841.6537292735. The cubic root of 708381 is about 89.1433535387.

It can be divided in two parts, 708 and 381, that added together give a square (1089 = 33²).

The spelling of 708381 in words is "seven hundred eight thousand, three hundred eighty-one".