1892201 has 4 divisors (see below), whose sum is σ = 1894992. Its totient is φ = 1889412.

The previous prime is 1892197. The next prime is 1892203. The reversal of 1892201 is 1022981.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1892201 - 2² = 1892197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1892203) 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, 350 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (473748).

2^1892201 is an apocalyptic number.

It is an amenable number.

1892201 is a deficient number, since it is larger than the sum of its proper divisors (2791).

1892201 is a wasteful number, since it uses less digits than its factorization.

1892201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1892201 is about 1375.5729715286. The cubic root of 1892201 is about 123.6865348145.

The spelling of 1892201 in words is "one million, eight hundred ninety-two thousand, two hundred one".