1889354 has 4 divisors (see below), whose sum is σ = 2834034. Its totient is φ = 944676.

The previous prime is 1889351. The next prime is 1889359. The reversal of 1889354 is 4539881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4539881 = 149 ⋅30469.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 4225 = 1373^2 + 65^2 .

It is not an unprimeable number, because it can be changed into a prime (1889351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472337 + ... + 472340.

2^1889354 is an apocalyptic number.

1889354 is a deficient number, since it is larger than the sum of its proper divisors (944680).

1889354 is an equidigital number, since it uses as much as digits as its factorization.

1889354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944679.

The product of its digits is 34560, while the sum is 38.

The square root of 1889354 is about 1374.5377404786. The cubic root of 1889354 is about 123.6244708795.

The spelling of 1889354 in words is "one million, eight hundred eighty-nine thousand, three hundred fifty-four".