1854481 has 4 divisors (see below), whose sum is σ = 1864000. Its totient is φ = 1844964.

The previous prime is 1854439. The next prime is 1854487. The reversal of 1854481 is 1844581.

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 1854481 - 2⁷ = 1854353 is a prime.

It is a super-2 number, since 2×1854481² = 6878199558722, which contains 22 as substring.

It is a Duffinian number.

1854481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1854487) 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, 4461 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (466000).

2^1854481 is an apocalyptic number.

It is an amenable number.

1854481 is a deficient number, since it is larger than the sum of its proper divisors (9519).

1854481 is an equidigital number, since it uses as much as digits as its factorization.

1854481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518.

The product of its digits is 5120, while the sum is 31.

The square root of 1854481 is about 1361.7933029649. The cubic root of 1854481 is about 122.8591376611.

The spelling of 1854481 in words is "one million, eight hundred fifty-four thousand, four hundred eighty-one".