4630981 has 16 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 4164160.

The previous prime is 4630979. The next prime is 4630999. The reversal of 4630981 is 1890364.

It is a cyclic number.

It is not a de Polignac number, because 4630981 - 2¹ = 4630979 is a prime.

It is a super-2 number, since 2×4630981² = 42891970044722, 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 (4630921) 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 15 ways as a sum of consecutive naturals, for example, 35286 + ... + 35416.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^4630981 is an apocalyptic number.

It is an amenable number.

4630981 is a deficient number, since it is larger than the sum of its proper divisors (501179).

4630981 is a wasteful number, since it uses less digits than its factorization.

4630981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4630981 is about 2151.9714217433. The cubic root of 4630981 is about 166.6828815335.

The spelling of 4630981 in words is "four million, six hundred thirty thousand, nine hundred eighty-one".