1918483 has 4 divisors (see below), whose sum is σ = 2192560. Its totient is φ = 1644408.

The previous prime is 1918471. The next prime is 1918489. The reversal of 1918483 is 3848191.

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 1918483 - 2⁵ = 1918451 is a prime.

It is a super-3 number, since 3×1918483³ = 21183373336600753761, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

1918483 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1918489) 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, 137028 + ... + 137041.

It is an arithmetic number, because the mean of its divisors is an integer number (548140).

2^1918483 is an apocalyptic number.

1918483 is a deficient number, since it is larger than the sum of its proper divisors (274077).

1918483 is an equidigital number, since it uses as much as digits as its factorization.

1918483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274076.

The product of its digits is 6912, while the sum is 34.

The square root of 1918483 is about 1385.0931376626. The cubic root of 1918483 is about 124.2565577820.

It can be divided in two parts, 1918 and 483, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1918483 in words is "one million, nine hundred eighteen thousand, four hundred eighty-three".