4620857 has 4 divisors (see below), whose sum is σ = 4864080. Its totient is φ = 4377636.

The previous prime is 4620853. The next prime is 4620871. The reversal of 4620857 is 7580264.

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 4620857 - 2² = 4620853 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4620853) 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, 121583 + ... + 121620.

It is an arithmetic number, because the mean of its divisors is an integer number (1216020).

Almost surely, 2^4620857 is an apocalyptic number.

It is an amenable number.

4620857 is a deficient number, since it is larger than the sum of its proper divisors (243223).

4620857 is a wasteful number, since it uses less digits than its factorization.

4620857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243222.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4620857 is about 2149.6178730184. The cubic root of 4620857 is about 166.5613285484.

The spelling of 4620857 in words is "four million, six hundred twenty thousand, eight hundred fifty-seven".