4629643 has 4 divisors (see below), whose sum is σ = 4634640. Its totient is φ = 4624648.

The previous prime is 4629631. The next prime is 4629659. The reversal of 4629643 is 3469264.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4629643 is a prime.

It is a super-3 number, since 3×4629643³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4629599 and 4629608.

It is not an unprimeable number, because it can be changed into a prime (4629613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655 + ... + 3112.

It is an arithmetic number, because the mean of its divisors is an integer number (1158660).

Almost surely, 2^4629643 is an apocalyptic number.

4629643 is a deficient number, since it is larger than the sum of its proper divisors (4997).

4629643 is a wasteful number, since it uses less digits than its factorization.

4629643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996.

The product of its digits is 31104, while the sum is 34.

The square root of 4629643 is about 2151.6605215507. The cubic root of 4629643 is about 166.6668271110. Note that the first 3 decimals are identical.

The spelling of 4629643 in words is "four million, six hundred twenty-nine thousand, six hundred forty-three".