1892401 has 4 divisors (see below), whose sum is σ = 2162752. Its totient is φ = 1622052.

The previous prime is 1892399. The next prime is 1892413. The reversal of 1892401 is 1042981.

It is a happy number.

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 1892401 - 2¹ = 1892399 is a prime.

It is a Duffinian number.

1892401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1892431) 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, 135165 + ... + 135178.

It is an arithmetic number, because the mean of its divisors is an integer number (540688).

2^1892401 is an apocalyptic number.

It is an amenable number.

1892401 is a deficient number, since it is larger than the sum of its proper divisors (270351).

1892401 is an equidigital number, since it uses as much as digits as its factorization.

1892401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270350.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1892401 is about 1375.6456665871. The cubic root of 1892401 is about 123.6908924269.

The spelling of 1892401 in words is "one million, eight hundred ninety-two thousand, four hundred one".