1880215 has 8 divisors (see below), whose sum is σ = 2334240. Its totient is φ = 1452192.

The previous prime is 1880209. The next prime is 1880233. The reversal of 1880215 is 5120881.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1880215 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1880215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6339 + ... + 6628.

It is an arithmetic number, because the mean of its divisors is an integer number (291780).

2^1880215 is an apocalyptic number.

1880215 is a deficient number, since it is larger than the sum of its proper divisors (454025).

1880215 is a wasteful number, since it uses less digits than its factorization.

1880215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13001.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1880215 is about 1371.2093202717. The cubic root of 1880215 is about 123.4248205210.

The spelling of 1880215 in words is "one million, eight hundred eighty thousand, two hundred fifteen".