1892001 has 12 divisors (see below), whose sum is σ = 2663952. Its totient is φ = 1194264.

The previous prime is 1891997. The next prime is 1892017. The reversal of 1892001 is 1002981.

It is not a de Polignac number, because 1892001 - 2² = 1891997 is a prime.

It is the 1376-th Hogben number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1892021) by changing a digit.

It is a nontrivial repunit in base 1375.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (221996).

2^1892001 is an apocalyptic number.

It is an amenable number.

1892001 is a deficient number, since it is larger than the sum of its proper divisors (771951).

1892001 is a wasteful number, since it uses less digits than its factorization.

1892001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1892001 is about 1375.5002726281. The cubic root of 1892001 is about 123.6821768951.

Adding to 1892001 its reverse (1002981), we get a palindrome (2894982).

The spelling of 1892001 in words is "one million, eight hundred ninety-two thousand, one".