4597981 has 8 divisors (see below), whose sum is σ = 4877600. Its totient is φ = 4322160.

The previous prime is 4597961. The next prime is 4597993. The reversal of 4597981 is 1897954.

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 4597981 - 2⁵ = 4597949 is a prime.

It is a super-2 number, since 2×4597981² = 42282858552722, 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 (4597961) 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, 1771 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (609700).

Almost surely, 2^4597981 is an apocalyptic number.

It is an amenable number.

4597981 is a deficient number, since it is larger than the sum of its proper divisors (279619).

4597981 is a wasteful number, since it uses less digits than its factorization.

4597981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899.

The product of its digits is 90720, while the sum is 43.

The square root of 4597981 is about 2144.2903254923. The cubic root of 4597981 is about 166.2860143961.

The spelling of 4597981 in words is "four million, five hundred ninety-seven thousand, nine hundred eighty-one".