1854242 has 8 divisors (see below), whose sum is σ = 2995356. Its totient is φ = 855792.

The previous prime is 1854233. The next prime is 1854247. The reversal of 1854242 is 2424581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 192721 = 1289^2 + 439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 71317 = 1854242 / (1 + 8 + 5 + 4 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1854247) 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, 35633 + ... + 35684.

2^1854242 is an apocalyptic number.

1854242 is a deficient number, since it is larger than the sum of its proper divisors (1141114).

1854242 is a wasteful number, since it uses less digits than its factorization.

1854242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71332.

The product of its digits is 2560, while the sum is 26.

The square root of 1854242 is about 1361.7055482005. The cubic root of 1854242 is about 122.8538595275.

1854242 divided by its sum of digits (26) gives a palindrome (71317).

The spelling of 1854242 in words is "one million, eight hundred fifty-four thousand, two hundred forty-two".