4938857 has 30 divisors (see below), whose sum is σ = 6705594. Its totient is φ = 3622080.

The previous prime is 4938853. The next prime is 4938881. The reversal of 4938857 is 7588394.

It can be written as a sum of positive squares in only one way, i.e., 4648336 + 290521 = 2156^2 + 539^2 .

It is not a de Polignac number, because 4938857 - 2² = 4938853 is a prime.

It is an Ulam number.

Its product of digits (241920) is a multiple of the sum of its prime divisors (35).

It is not an unprimeable number, because it can be changed into a prime (4938853) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 290513 + ... + 290529.

Almost surely, 2^4938857 is an apocalyptic number.

It is an amenable number.

4938857 is a deficient number, since it is larger than the sum of its proper divisors (1766737).

4938857 is an equidigital number, since it uses as much as digits as its factorization.

4938857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 35 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 4938857 is about 2222.3539322079. The cubic root of 4938857 is about 170.2977136168.

The spelling of 4938857 in words is "four million, nine hundred thirty-eight thousand, eight hundred fifty-seven".