1833401 has 2 divisors, whose sum is σ = 1833402. Its totient is φ = 1833400.

The previous prime is 1833389. The next prime is 1833427. The reversal of 1833401 is 1043381.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 570025 = 1124^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1833401 - 2¹⁰ = 1832377 is a prime.

It is a super-2 number, since 2×1833401² = 6722718453602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1833431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916700 + 916701.

It is an arithmetic number, because the mean of its divisors is an integer number (916701).

2^1833401 is an apocalyptic number.

It is an amenable number.

1833401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1833401 is an equidigital number, since it uses as much as digits as its factorization.

1833401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1833401 is about 1354.0313881148. The cubic root of 1833401 is about 122.3918467877.

Subtracting from 1833401 its sum of digits (20), we obtain a palindrome (1833381).

Adding to 1833401 its reverse (1043381), we get a palindrome (2876782).

The spelling of 1833401 in words is "one million, eight hundred thirty-three thousand, four hundred one".