4057684 has 12 divisors (see below), whose sum is σ = 7118944. Its totient is φ = 2023704.

The previous prime is 4057681. The next prime is 4057687. The reversal of 4057684 is 4867504.

It is an interprime number because it is at equal distance from previous prime (4057681) and next prime (4057687).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057681) 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 3 ways as a sum of consecutive naturals, for example, 907 + ... + 2989.

Almost surely, 2^4057684 is an apocalyptic number.

It is an amenable number.

4057684 is a deficient number, since it is larger than the sum of its proper divisors (3061260).

4057684 is a wasteful number, since it uses less digits than its factorization.

4057684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 4057684 is about 2014.3693802280. The cubic root of 4057684 is about 159.4995299430.

The spelling of 4057684 in words is "four million, fifty-seven thousand, six hundred eighty-four".