4626981 has 12 divisors (see below), whose sum is σ = 6703008. Its totient is φ = 3075624.

The previous prime is 4626977. The next prime is 4627003. The reversal of 4626981 is 1896264.

It is not a de Polignac number, because 4626981 - 2² = 4626977 is a prime.

It is a super-2 number, since 2×4626981² = 42817906348722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

4626981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3626981) 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, 4216 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (558584).

Almost surely, 2^4626981 is an apocalyptic number.

It is an amenable number.

4626981 is a deficient number, since it is larger than the sum of its proper divisors (2076027).

4626981 is a wasteful number, since it uses less digits than its factorization.

4626981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1509 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4626981 is about 2151.0418405972. The cubic root of 4626981 is about 166.6348770480.

The spelling of 4626981 in words is "four million, six hundred twenty-six thousand, nine hundred eighty-one".