1072866 has 16 divisors (see below), whose sum is σ = 2160864. Its totient is φ = 355104.

The previous prime is 1072859. The next prime is 1072867. The reversal of 1072866 is 6682701.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1072867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (135054).

2^1072866 is an apocalyptic number.

1072866 is an abundant number, since it is smaller than the sum of its proper divisors (1087998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072866 is a wasteful number, since it uses less digits than its factorization.

1072866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1072866 is about 1035.7924502525. The cubic root of 1072866 is about 102.3721507315.

The spelling of 1072866 in words is "one million, seventy-two thousand, eight hundred sixty-six".