1936393 has 4 divisors (see below), whose sum is σ = 2020608. Its totient is φ = 1852180.

The previous prime is 1936391. The next prime is 1936397. The reversal of 1936393 is 3936391.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1936393 - 2¹ = 1936391 is a prime.

It is a Duffinian number.

1936393 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42073 + ... + 42118.

It is an arithmetic number, because the mean of its divisors is an integer number (505152).

2^1936393 is an apocalyptic number.

It is an amenable number.

1936393 is a deficient number, since it is larger than the sum of its proper divisors (84215).

1936393 is an equidigital number, since it uses as much as digits as its factorization.

1936393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84214.

The product of its digits is 13122, while the sum is 34.

The square root of 1936393 is about 1391.5433877533. The cubic root of 1936393 is about 124.6420264850.

The spelling of 1936393 in words is "one million, nine hundred thirty-six thousand, three hundred ninety-three".