1941806 has 4 divisors (see below), whose sum is σ = 2912712. Its totient is φ = 970902.

The previous prime is 1941799. The next prime is 1941827. The reversal of 1941806 is 6081491.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1941806² = 7541221083272, which contains 22 as substring.

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, 485450 + ... + 485453.

It is an arithmetic number, because the mean of its divisors is an integer number (728178).

2^1941806 is an apocalyptic number.

1941806 is a deficient number, since it is larger than the sum of its proper divisors (970906).

1941806 is an equidigital number, since it uses as much as digits as its factorization.

1941806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970905.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1941806 is about 1393.4869931219. The cubic root of 1941806 is about 124.7580600225.

The spelling of 1941806 in words is "one million, nine hundred forty-one thousand, eight hundred six".