4057187 has 8 divisors (see below), whose sum is σ = 4333440. Its totient is φ = 3790080.

The previous prime is 4057159. The next prime is 4057199. The reversal of 4057187 is 7817504.

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-4057187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057117) 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 7 ways as a sum of consecutive naturals, for example, 1358 + ... + 3155.

It is an arithmetic number, because the mean of its divisors is an integer number (541680).

Almost surely, 2^4057187 is an apocalyptic number.

4057187 is a deficient number, since it is larger than the sum of its proper divisors (276253).

4057187 is a wasteful number, since it uses less digits than its factorization.

4057187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 4057187 is about 2014.2460127800. The cubic root of 4057187 is about 159.4930176482.

The spelling of 4057187 in words is "four million, fifty-seven thousand, one hundred eighty-seven".