1662192 has 120 divisors (see below), whose sum is σ = 5687136. Its totient is φ = 442368.

The previous prime is 1662191. The next prime is 1662211. The reversal of 1662192 is 2912661.

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 (1662191) 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 23 ways as a sum of consecutive naturals, for example, 17088 + ... + 17184.

2^1662192 is an apocalyptic number.

1662192 is a gapful number since it is divisible by the number (12) 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 1662192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843568).

1662192 is an abundant number, since it is smaller than the sum of its proper divisors (4024944).

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

1662192 is a wasteful number, since it uses less digits than its factorization.

1662192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 126 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1662192 is about 1289.2602530133. The cubic root of 1662192 is about 118.4569089705.

The spelling of 1662192 in words is "one million, six hundred sixty-two thousand, one hundred ninety-two".