4620981 has 8 divisors (see below), whose sum is σ = 6201184. Its totient is φ = 3060720.

The previous prime is 4620977. The next prime is 4621007. The reversal of 4620981 is 1890264.

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

It is not a de Polignac number, because 4620981 - 2² = 4620977 is a prime.

It is a super-2 number, since 2×4620981² = 42706930804722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (775148).

Almost surely, 2^4620981 is an apocalyptic number.

It is an amenable number.

4620981 is a deficient number, since it is larger than the sum of its proper divisors (1580203).

4620981 is a wasteful number, since it uses less digits than its factorization.

4620981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4620981 is about 2149.6467151604. The cubic root of 4620981 is about 166.5628184178.

The spelling of 4620981 in words is "four million, six hundred twenty thousand, nine hundred eighty-one".