1889316 has 72 divisors (see below), whose sum is σ = 5625984. Its totient is φ = 527040.

The previous prime is 1889311. The next prime is 1889317. The reversal of 1889316 is 6139881.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1889311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4965 + ... + 5331.

2^1889316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1889316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812992).

1889316 is an abundant number, since it is smaller than the sum of its proper divisors (3736668).

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

1889316 is a wasteful number, since it uses less digits than its factorization.

1889316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 396 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1889316 is about 1374.5239175802. The cubic root of 1889316 is about 123.6236420669.

The spelling of 1889316 in words is "one million, eight hundred eighty-nine thousand, three hundred sixteen".