1936493 has 4 divisors (see below), whose sum is σ = 2085468. Its totient is φ = 1787520.

The previous prime is 1936489. The next prime is 1936511. The reversal of 1936493 is 3946391.

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

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 1471369 = 682^2 + 1213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1936493 - 2² = 1936489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936433) 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, 74468 + ... + 74493.

It is an arithmetic number, because the mean of its divisors is an integer number (521367).

2^1936493 is an apocalyptic number.

1936493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1936493 is a deficient number, since it is larger than the sum of its proper divisors (148975).

1936493 is a wasteful number, since it uses less digits than its factorization.

1936493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148974.

The product of its digits is 17496, while the sum is 35.

The square root of 1936493 is about 1391.5793186161. The cubic root of 1936493 is about 124.6441720529.

The spelling of 1936493 in words is "one million, nine hundred thirty-six thousand, four hundred ninety-three".