4057867 has 16 divisors (see below), whose sum is σ = 4739328. Its totient is φ = 3437280.

The previous prime is 4057861. The next prime is 4057871. The reversal of 4057867 is 7687504.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4057867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4057861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10693 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (296208).

Almost surely, 2^4057867 is an apocalyptic number.

4057867 is a deficient number, since it is larger than the sum of its proper divisors (681461).

4057867 is a wasteful number, since it uses less digits than its factorization.

4057867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 4057867 is about 2014.4148033610. The cubic root of 4057867 is about 159.5019276962.

The spelling of 4057867 in words is "four million, fifty-seven thousand, eight hundred sixty-seven".