1662134 has 4 divisors (see below), whose sum is σ = 2493204. Its totient is φ = 831066.

The previous prime is 1662121. The next prime is 1662149. The reversal of 1662134 is 4312661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4312661 = 23 ⋅187507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415532 + ... + 415535.

It is an arithmetic number, because the mean of its divisors is an integer number (623301).

2^1662134 is an apocalyptic number.

1662134 is a deficient number, since it is larger than the sum of its proper divisors (831070).

1662134 is an equidigital number, since it uses as much as digits as its factorization.

1662134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831069.

The product of its digits is 864, while the sum is 23.

The square root of 1662134 is about 1289.2377592981. The cubic root of 1662134 is about 118.4555311553.

Adding to 1662134 its reverse (4312661), we get a palindrome (5974795).

The spelling of 1662134 in words is "one million, six hundred sixty-two thousand, one hundred thirty-four".