1887888 has 40 divisors (see below), whose sum is σ = 5013568. Its totient is φ = 611712.

The previous prime is 1887883. The next prime is 1887917. The reversal of 1887888 is 8887881.

1887888 is nontrivially palindromic in base 7.

It is a super-2 number, since 2×1887888² = 7128242201088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1887883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 2307.

2^1887888 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 1887888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2506784).

1887888 is an abundant number, since it is smaller than the sum of its proper divisors (3125680).

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

1887888 is a wasteful number, since it uses less digits than its factorization.

1887888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1105 counting only the distinct ones).

The product of its digits is 229376, while the sum is 48.

The square root of 1887888 is about 1374.0043668053. The cubic root of 1887888 is about 123.5924881014.

It can be divided in two parts, 1887 and 888, that added together give a triangular number (2775 = T₇₄).

The spelling of 1887888 in words is "one million, eight hundred eighty-seven thousand, eight hundred eighty-eight".