1066923 has 24 divisors (see below), whose sum is σ = 1812720. Its totient is φ = 596160.

The previous prime is 1066913. The next prime is 1066931. The reversal of 1066923 is 3296601.

It is a happy number.

It is not a de Polignac number, because 1066923 - 2⁶ = 1066859 is a prime.

It is a super-2 number, since 2×1066923² = 2276649375858, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1066913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 873 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (75530).

2^1066923 is an apocalyptic number.

1066923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1066923 is a deficient number, since it is larger than the sum of its proper divisors (745797).

1066923 is a wasteful number, since it uses less digits than its factorization.

1066923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1066923 is about 1032.9196483754. The cubic root of 1066923 is about 102.1827749407.

The spelling of 1066923 in words is "one million, sixty-six thousand, nine hundred twenty-three".