607981 has 8 divisors (see below), whose sum is σ = 698400. Its totient is φ = 523440.

The previous prime is 607967. The next prime is 607991. The reversal of 607981 is 189706.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 607981 - 2¹¹ = 605933 is a prime.

It is a super-2 number, since 2×607981² = 739281792722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (607921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (87300).

2⁶⁰⁷⁹⁸¹ is an apocalyptic number.

It is an amenable number.

607981 is a deficient number, since it is larger than the sum of its proper divisors (90419).

607981 is a wasteful number, since it uses less digits than its factorization.

607981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 607981 is about 779.7313639966. The cubic root of 607981 is about 84.7155892127.

The spelling of 607981 in words is "six hundred seven thousand, nine hundred eighty-one".