4812621 has 16 divisors (see below), whose sum is σ = 7172928. Its totient is φ = 2844800.

The previous prime is 4812611. The next prime is 4812631. The reversal of 4812621 is 1262184.

It is an interprime number because it is at equal distance from previous prime (4812611) and next prime (4812631).

It is a cyclic number.

It is not a de Polignac number, because 4812621 - 2¹⁴ = 4796237 is a prime.

It is a super-2 number, since 2×4812621² = 46322641779282, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4812591 and 4812600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4812611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (448308).

Almost surely, 2^4812621 is an apocalyptic number.

4812621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4812621 is a deficient number, since it is larger than the sum of its proper divisors (2360307).

4812621 is a wasteful number, since it uses less digits than its factorization.

4812621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612.

The product of its digits is 768, while the sum is 24.

The square root of 4812621 is about 2193.7686751342. The cubic root of 4812621 is about 168.8342503854.

The spelling of 4812621 in words is "four million, eight hundred twelve thousand, six hundred twenty-one".