4654621 has 4 divisors (see below), whose sum is σ = 4762912. Its totient is φ = 4546332.

The previous prime is 4654609. The next prime is 4654631. The reversal of 4654621 is 1264564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4654621 - 2⁷ = 4654493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4654621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4654631) 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, 54081 + ... + 54166.

It is an arithmetic number, because the mean of its divisors is an integer number (1190728).

Almost surely, 2^4654621 is an apocalyptic number.

It is an amenable number.

4654621 is a deficient number, since it is larger than the sum of its proper divisors (108291).

4654621 is a wasteful number, since it uses less digits than its factorization.

4654621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108290.

The product of its digits is 5760, while the sum is 28.

The square root of 4654621 is about 2157.4570679390. The cubic root of 4654621 is about 166.9660250964.

The spelling of 4654621 in words is "four million, six hundred fifty-four thousand, six hundred twenty-one".