1889154 has 12 divisors (see below), whose sum is σ = 4093206. Its totient is φ = 629712.

The previous prime is 1889143. The next prime is 1889177. The reversal of 1889154 is 4519881.

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 106929 = 1335^2 + 327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52459 + ... + 52494.

2^1889154 is an apocalyptic number.

1889154 is an abundant number, since it is smaller than the sum of its proper divisors (2204052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1889154 is a wasteful number, since it uses less digits than its factorization.

1889154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104961 (or 104958 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1889154 is about 1374.4649868221. The cubic root of 1889154 is about 123.6201085831.

The spelling of 1889154 in words is "one million, eight hundred eighty-nine thousand, one hundred fifty-four".