1023956 has 6 divisors (see below), whose sum is σ = 1791930. Its totient is φ = 511976.

The previous prime is 1023949. The next prime is 1023973. The reversal of 1023956 is 6593201.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 184900 = 916^2 + 430^2 .

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, 127991 + ... + 127998.

It is an arithmetic number, because the mean of its divisors is an integer number (298655).

2^1023956 is an apocalyptic number.

It is an amenable number.

1023956 is a deficient number, since it is larger than the sum of its proper divisors (767974).

1023956 is a wasteful number, since it uses less digits than its factorization.

1023956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255993 (or 255991 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1023956 is about 1011.9071103614. The cubic root of 1023956 is about 100.7922403114.

The spelling of 1023956 in words is "one million, twenty-three thousand, nine hundred fifty-six".