4643157 has 4 divisors (see below), whose sum is σ = 6190880. Its totient is φ = 3095436.

The previous prime is 4643153. The next prime is 4643189. The reversal of 4643157 is 7513464.

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 not a de Polignac number, because 4643157 - 2² = 4643153 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643153) 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, 773857 + ... + 773862.

It is an arithmetic number, because the mean of its divisors is an integer number (1547720).

Almost surely, 2^4643157 is an apocalyptic number.

It is an amenable number.

4643157 is a deficient number, since it is larger than the sum of its proper divisors (1547723).

4643157 is a wasteful number, since it uses less digits than its factorization.

4643157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547722.

The product of its digits is 10080, while the sum is 30.

The square root of 4643157 is about 2154.7985984774. The cubic root of 4643157 is about 166.8288372641.

The spelling of 4643157 in words is "four million, six hundred forty-three thousand, one hundred fifty-seven".