1873808 has 30 divisors (see below), whose sum is σ = 3890934. Its totient is φ = 871168.

The previous prime is 1873783. The next prime is 1873831. The reversal of 1873808 is 8083781.

It can be written as a sum of positive squares in only one way, i.e., 1763584 + 110224 = 1328^2 + 332^2 .

It is a super-2 number, since 2×1873808² = 7022312841728, which contains 22 as substring.

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, 22535 + ... + 22617.

2^1873808 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 1873808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945467).

1873808 is an abundant number, since it is smaller than the sum of its proper divisors (2017126).

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

1873808 is an equidigital number, since it uses as much as digits as its factorization.

1873808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1873808 is about 1368.8710677051. The cubic root of 1873808 is about 123.2844672901.

The spelling of 1873808 in words is "one million, eight hundred seventy-three thousand, eight hundred eight".