1612406 has 4 divisors (see below), whose sum is σ = 2418612. Its totient is φ = 806202.

The previous prime is 1612393. The next prime is 1612427. The reversal of 1612406 is 6042161.

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: 6042161 = 941 ⋅6421.

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 as a sum of consecutive naturals, namely, 403100 + ... + 403103.

It is an arithmetic number, because the mean of its divisors is an integer number (604653).

2^1612406 is an apocalyptic number.

1612406 is a deficient number, since it is larger than the sum of its proper divisors (806206).

1612406 is an equidigital number, since it uses as much as digits as its factorization.

1612406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806205.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1612406 is about 1269.8054969168. The cubic root of 1612406 is about 117.2622262715.

Adding to 1612406 its reverse (6042161), we get a palindrome (7654567).

The spelling of 1612406 in words is "one million, six hundred twelve thousand, four hundred six".