1889012 has 6 divisors (see below), whose sum is σ = 3305778. Its totient is φ = 944504.

The previous prime is 1889011. The next prime is 1889029. The reversal of 1889012 is 2109881.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 55696 = 1354^2 + 236^2 .

It is a super-2 number, since 2×1889012² = 7136732672288, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236123 + ... + 236130.

It is an arithmetic number, because the mean of its divisors is an integer number (550963).

2^1889012 is an apocalyptic number.

It is an amenable number.

1889012 is a deficient number, since it is larger than the sum of its proper divisors (1416766).

1889012 is a wasteful number, since it uses less digits than its factorization.

1889012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472257 (or 472255 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1889012 is about 1374.4133293882. The cubic root of 1889012 is about 123.6170111657.

The spelling of 1889012 in words is "one million, eight hundred eighty-nine thousand, twelve".