4025678 has 4 divisors (see below), whose sum is σ = 6038520. Its totient is φ = 2012838.

The previous prime is 4025657. The next prime is 4025683. The reversal of 4025678 is 8765204.

4025678 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 4³ + 0 + 2¹⁷ + 5³ + 6⁸ + 7⁶ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006418 + ... + 1006421.

It is an arithmetic number, because the mean of its divisors is an integer number (1509630).

Almost surely, 2^4025678 is an apocalyptic number.

4025678 is a deficient number, since it is larger than the sum of its proper divisors (2012842).

4025678 is a wasteful number, since it uses less digits than its factorization.

4025678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012841.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4025678 is about 2006.4092304413. The cubic root of 4025678 is about 159.0790582935.

The spelling of 4025678 in words is "four million, twenty-five thousand, six hundred seventy-eight".