1880394 has 8 divisors (see below), whose sum is σ = 3760800. Its totient is φ = 626796.

The previous prime is 1880381. The next prime is 1880401. The reversal of 1880394 is 4930881.

It is a sphenic number, since it is the product of 3 distinct primes.

1880394 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156694 + ... + 156705.

It is an arithmetic number, because the mean of its divisors is an integer number (470100).

2^1880394 is an apocalyptic number.

1880394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1880394 is a wasteful number, since it uses less digits than its factorization.

1880394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313404.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1880394 is about 1371.2745895699. The cubic root of 1880394 is about 123.4287371550.

The spelling of 1880394 in words is "one million, eight hundred eighty thousand, three hundred ninety-four".