1820062 has 4 divisors (see below), whose sum is σ = 2730096. Its totient is φ = 910030.

The previous prime is 1820051. The next prime is 1820087. The reversal of 1820062 is 2600281.

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: 2600281 = 263 ⋅9887.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455014 + ... + 455017.

It is an arithmetic number, because the mean of its divisors is an integer number (682524).

2^1820062 is an apocalyptic number.

1820062 is a deficient number, since it is larger than the sum of its proper divisors (910034).

1820062 is an equidigital number, since it uses as much as digits as its factorization.

1820062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910033.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1820062 is about 1349.0967348563. The cubic root of 1820062 is about 122.0943013620.

The spelling of 1820062 in words is "one million, eight hundred twenty thousand, sixty-two".