1889601 has 32 divisors (see below), whose sum is σ = 3133440. Its totient is φ = 988416.

The previous prime is 1889579. The next prime is 1889603. The reversal of 1889601 is 1069881.

It is not a de Polignac number, because 1889601 - 2¹⁴ = 1873217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1889603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23880 + ... + 23958.

It is an arithmetic number, because the mean of its divisors is an integer number (97920).

2^1889601 is an apocalyptic number.

It is an amenable number.

1889601 is a deficient number, since it is larger than the sum of its proper divisors (1243839).

1889601 is a wasteful number, since it uses less digits than its factorization.

1889601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1889601 is about 1374.6275859301. The cubic root of 1889601 is about 123.6298578907.

Subtracting from 1889601 its sum of digits (33), we obtain a 5-th power (1889568 = 18⁵).

The spelling of 1889601 in words is "one million, eight hundred eighty-nine thousand, six hundred one".