1880961 has 4 divisors (see below), whose sum is σ = 2507952. Its totient is φ = 1253972.

The previous prime is 1880959. The next prime is 1880971. The reversal of 1880961 is 1690881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1880961 - 2¹ = 1880959 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1880941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313491 + ... + 313496.

It is an arithmetic number, because the mean of its divisors is an integer number (626988).

2^1880961 is an apocalyptic number.

It is an amenable number.

1880961 is a deficient number, since it is larger than the sum of its proper divisors (626991).

1880961 is an equidigital number, since it uses as much as digits as its factorization.

1880961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626990.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1880961 is about 1371.4813159500. The cubic root of 1880961 is about 123.4411418356.

The spelling of 1880961 in words is "one million, eight hundred eighty thousand, nine hundred sixty-one".