4023747 has 48 divisors (see below), whose sum is σ = 7600320. Its totient is φ = 1997568.

The previous prime is 4023737. The next prime is 4023749. The reversal of 4023747 is 7473204.

It is not a de Polignac number, because 4023747 - 2⁴ = 4023731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4023747.

It is not an unprimeable number, because it can be changed into a prime (4023749) 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 47 ways as a sum of consecutive naturals, for example, 236683 + ... + 236699.

It is an arithmetic number, because the mean of its divisors is an integer number (158340).

Almost surely, 2^4023747 is an apocalyptic number.

4023747 is the 1638-th pentagonal number.

4023747 is a deficient number, since it is larger than the sum of its proper divisors (3576573).

4023747 is a wasteful number, since it uses less digits than its factorization.

4023747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 4023747 is about 2005.9279648083. The cubic root of 4023747 is about 159.0536190350.

The spelling of 4023747 in words is "four million, twenty-three thousand, seven hundred forty-seven".