4023956 has 6 divisors (see below), whose sum is σ = 7041930. Its totient is φ = 2011976.

The previous prime is 4023947. The next prime is 4023973. The reversal of 4023956 is 6593204.

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 1188100 = 1684^2 + 1090^2 .

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, 502991 + ... + 502998.

It is an arithmetic number, because the mean of its divisors is an integer number (1173655).

Almost surely, 2^4023956 is an apocalyptic number.

It is an amenable number.

4023956 is a deficient number, since it is larger than the sum of its proper divisors (3017974).

4023956 is a wasteful number, since it uses less digits than its factorization.

4023956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005993 (or 1005991 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4023956 is about 2005.9800597214. The cubic root of 4023956 is about 159.0563728223.

The spelling of 4023956 in words is "four million, twenty-three thousand, nine hundred fifty-six".