1667064 has 32 divisors (see below), whose sum is σ = 4763520. Its totient is φ = 476256.

The previous prime is 1667053. The next prime is 1667077. The reversal of 1667064 is 4607661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (148860).

2^1667064 is an apocalyptic number.

1667064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1667064 is an abundant number, since it is smaller than the sum of its proper divisors (3096456).

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

1667064 is a wasteful number, since it uses less digits than its factorization.

1667064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9935 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1667064 is about 1291.1483261036. The cubic root of 1667064 is about 118.5725312162.

The spelling of 1667064 in words is "one million, six hundred sixty-seven thousand, sixty-four".