1067660 has 48 divisors (see below), whose sum is σ = 2564352. Its totient is φ = 369600.

The previous prime is 1067653. The next prime is 1067669. The reversal of 1067660 is 667601.

1067660 = T₆₅₁ + T₆₅₂ + ... + T₆₅₅.

It is a super-2 number, since 2×1067660² = 2279795751200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1067669) 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 in 15 ways as a sum of consecutive naturals, for example, 4955 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (53424).

2^1067660 is an apocalyptic number.

1067660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1067660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282176).

1067660 is an abundant number, since it is smaller than the sum of its proper divisors (1496692).

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

1067660 is a wasteful number, since it uses less digits than its factorization.

1067660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1067660 is about 1033.2763425144. The cubic root of 1067660 is about 102.2062978415.

The spelling of 1067660 in words is "one million, sixty-seven thousand, six hundred sixty".