4158657 has 6 divisors (see below), whose sum is σ = 6006962. Its totient is φ = 2772432.

The previous prime is 4158641. The next prime is 4158673. The reversal of 4158657 is 7568514.

It is an interprime number because it is at equal distance from previous prime (4158641) and next prime (4158673).

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 1971216 = 1479^2 + 1404^2 .

It is not a de Polignac number, because 4158657 - 2⁴ = 4158641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231028 + ... + 231045.

Almost surely, 2^4158657 is an apocalyptic number.

It is an amenable number.

4158657 is a deficient number, since it is larger than the sum of its proper divisors (1848305).

4158657 is a wasteful number, since it uses less digits than its factorization.

4158657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462079 (or 462076 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 4158657 is about 2039.2785488991. The cubic root of 4158657 is about 160.8117213183.

The spelling of 4158657 in words is "four million, one hundred fifty-eight thousand, six hundred fifty-seven".