4057667 has 2 divisors, whose sum is σ = 4057668. Its totient is φ = 4057666.

The previous prime is 4057663. The next prime is 4057673. The reversal of 4057667 is 7667504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4057667 - 2² = 4057663 is a prime.

It is a super-2 number, since 2×4057667² = 32929322965778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4057661) 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 as a sum of consecutive naturals, namely, 2028833 + 2028834.

It is an arithmetic number, because the mean of its divisors is an integer number (2028834).

Almost surely, 2^4057667 is an apocalyptic number.

4057667 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057667 is an equidigital number, since it uses as much as digits as its factorization.

4057667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 4057667 is about 2014.3651605407. The cubic root of 4057667 is about 159.4993071972.

The spelling of 4057667 in words is "four million, fifty-seven thousand, six hundred sixty-seven".