1862481 has 4 divisors (see below), whose sum is σ = 2483312. Its totient is φ = 1241652.

The previous prime is 1862477. The next prime is 1862489. The reversal of 1862481 is 1842681.

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 not a de Polignac number, because 1862481 - 2² = 1862477 is a prime.

It is a super-2 number, since 2×1862481² = 6937670950722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

1862481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1862489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310411 + ... + 310416.

It is an arithmetic number, because the mean of its divisors is an integer number (620828).

2^1862481 is an apocalyptic number.

It is an amenable number.

1862481 is a deficient number, since it is larger than the sum of its proper divisors (620831).

1862481 is an equidigital number, since it uses as much as digits as its factorization.

1862481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620830.

The product of its digits is 3072, while the sum is 30.

The square root of 1862481 is about 1364.7274453165. The cubic root of 1862481 is about 123.0355505673.

The spelling of 1862481 in words is "one million, eight hundred sixty-two thousand, four hundred eighty-one".