1006216 has 8 divisors (see below), whose sum is σ = 1886670. Its totient is φ = 503104.

The previous prime is 1006193. The next prime is 1006217. The reversal of 1006216 is 6126001.

1006216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 910116 + 96100 = 954^2 + 310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1006216.

It is not an unprimeable number, because it can be changed into a prime (1006217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62881 + ... + 62896.

2^1006216 is an apocalyptic number.

It is an amenable number.

1006216 is a deficient number, since it is larger than the sum of its proper divisors (880454).

1006216 is a wasteful number, since it uses less digits than its factorization.

1006216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125783 (or 125779 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1006216 is about 1003.1031851211. The cubic root of 1006216 is about 100.2067721581.

The spelling of 1006216 in words is "one million, six thousand, two hundred sixteen".