1371888 has 60 divisors (see below), whose sum is σ = 4391088. Its totient is φ = 391680.

The previous prime is 1371863. The next prime is 1371893. The reversal of 1371888 is 8881731.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328 + ... + 1688.

2^1371888 is an apocalyptic number.

1371888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1371888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195544).

1371888 is an abundant number, since it is smaller than the sum of its proper divisors (3019200).

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

1371888 is a wasteful number, since it uses less digits than its factorization.

1371888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1373 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 1371888 is about 1171.2762270276. The cubic root of 1371888 is about 111.1150499344.

It can be divided in two parts, 137 and 1888, that added together give a square (2025 = 45²).

The spelling of 1371888 in words is "one million, three hundred seventy-one thousand, eight hundred eighty-eight".