1067684 has 6 divisors (see below), whose sum is σ = 1868454. Its totient is φ = 533840.

The previous prime is 1067669. The next prime is 1067687. The reversal of 1067684 is 4867601.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 462400 = 778^2 + 680^2 .

It is a super-2 number, since 2×1067684² = 2279898247712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1067684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133457 + ... + 133464.

It is an arithmetic number, because the mean of its divisors is an integer number (311409).

2^1067684 is an apocalyptic number.

It is an amenable number.

1067684 is a deficient number, since it is larger than the sum of its proper divisors (800770).

1067684 is a wasteful number, since it uses less digits than its factorization.

1067684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266925 (or 266923 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1067684 is about 1033.2879559929. The cubic root of 1067684 is about 102.2070636698.

The spelling of 1067684 in words is "one million, sixty-seven thousand, six hundred eighty-four".