1966235 has 4 divisors (see below), whose sum is σ = 2359488. Its totient is φ = 1572984.

The previous prime is 1966219. The next prime is 1966241. The reversal of 1966235 is 5326691.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1966235 - 2⁴ = 1966219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196619 + ... + 196628.

It is an arithmetic number, because the mean of its divisors is an integer number (589872).

2^1966235 is an apocalyptic number.

1966235 is a deficient number, since it is larger than the sum of its proper divisors (393253).

1966235 is an equidigital number, since it uses as much as digits as its factorization.

1966235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393252.

The product of its digits is 9720, while the sum is 32.

The square root of 1966235 is about 1402.2250176059. The cubic root of 1966235 is about 125.2790565559.

The spelling of 1966235 in words is "one million, nine hundred sixty-six thousand, two hundred thirty-five".