1662612 has 24 divisors (see below), whose sum is σ = 4433856. Its totient is φ = 475008.

The previous prime is 1662611. The next prime is 1662629. The reversal of 1662612 is 2162661.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9813 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (184744).

2^1662612 is an apocalyptic number.

1662612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662612 is an abundant number, since it is smaller than the sum of its proper divisors (2771244).

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

1662612 is a wasteful number, since it uses less digits than its factorization.

1662612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19807 (or 19805 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1662612 is about 1289.4231268284. The cubic root of 1662612 is about 118.4668852974.

The spelling of 1662612 in words is "one million, six hundred sixty-two thousand, six hundred twelve".