1852993 has 4 divisors (see below), whose sum is σ = 1862788. Its totient is φ = 1843200.

The previous prime is 1852987. The next prime is 1853011. The reversal of 1852993 is 3992581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3992581 = 79 ⋅50539.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 908209 = 972^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1852993 - 2¹⁷ = 1721921 is a prime.

It is a Duffinian number.

1852993 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852973) 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, 4608 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (465697).

2^1852993 is an apocalyptic number.

It is an amenable number.

1852993 is a deficient number, since it is larger than the sum of its proper divisors (9795).

1852993 is an equidigital number, since it uses as much as digits as its factorization.

1852993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794.

The product of its digits is 19440, while the sum is 37.

The square root of 1852993 is about 1361.2468549091. The cubic root of 1852993 is about 122.8262689296.

The spelling of 1852993 in words is "one million, eight hundred fifty-two thousand, nine hundred ninety-three".