1840954 has 4 divisors (see below), whose sum is σ = 2761434. Its totient is φ = 920476.

The previous prime is 1840939. The next prime is 1840957. The reversal of 1840954 is 4590481.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1385329 + 455625 = 1177^2 + 675^2 .

It is a super-2 number, since 2×1840954² = 6778223260232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1840957) 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 as a sum of consecutive naturals, namely, 460237 + ... + 460240.

2^1840954 is an apocalyptic number.

1840954 is a deficient number, since it is larger than the sum of its proper divisors (920480).

1840954 is an equidigital number, since it uses as much as digits as its factorization.

1840954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920479.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1840954 is about 1356.8176001217. The cubic root of 1840954 is about 122.5596876973.

The spelling of 1840954 in words is "one million, eight hundred forty thousand, nine hundred fifty-four".