1662230 has 16 divisors (see below), whose sum is σ = 3020544. Its totient is φ = 658560.

The previous prime is 1662229. The next prime is 1662257. The reversal of 1662230 is 322661.

It is a congruent number.

It is an unprimeable number.

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, 395 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (188784).

2^1662230 is an apocalyptic number.

1662230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1662230 is a deficient number, since it is larger than the sum of its proper divisors (1358314).

1662230 is a wasteful number, since it uses less digits than its factorization.

1662230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1662230 is about 1289.2749900622. The cubic root of 1662230 is about 118.4578116597.

Adding to 1662230 its reverse (322661), we get a palindrome (1984891).

The spelling of 1662230 in words is "one million, six hundred sixty-two thousand, two hundred thirty".