4985157 has 8 divisors (see below), whose sum is σ = 6721920. Its totient is φ = 3285920.

The previous prime is 4985107. The next prime is 4985159. The reversal of 4985157 is 7515894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4985157 is a prime.

4985157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9069 + ... + 9602.

It is an arithmetic number, because the mean of its divisors is an integer number (840240).

Almost surely, 2^4985157 is an apocalyptic number.

It is an amenable number.

4985157 is a deficient number, since it is larger than the sum of its proper divisors (1736763).

4985157 is a wasteful number, since it uses less digits than its factorization.

4985157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18763.

The product of its digits is 50400, while the sum is 39.

The square root of 4985157 is about 2232.7465149452. The cubic root of 4985157 is about 170.8282191344.

The spelling of 4985157 in words is "four million, nine hundred eighty-five thousand, one hundred fifty-seven".