4057678 has 8 divisors (see below), whose sum is σ = 6406920. Its totient is φ = 1922040.

The previous prime is 4057673. The next prime is 4057681. The reversal of 4057678 is 8767504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53353 + ... + 53428.

It is an arithmetic number, because the mean of its divisors is an integer number (800865).

Almost surely, 2^4057678 is an apocalyptic number.

4057678 is a deficient number, since it is larger than the sum of its proper divisors (2349242).

4057678 is a wasteful number, since it uses less digits than its factorization.

4057678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106802.

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

The square root of 4057678 is about 2014.3678909276. The cubic root of 4057678 is about 159.4994513269.

The spelling of 4057678 in words is "four million, fifty-seven thousand, six hundred seventy-eight".