1880859 has 4 divisors (see below), whose sum is σ = 2507816. Its totient is φ = 1253904.

The previous prime is 1880849. The next prime is 1880869. The reversal of 1880859 is 9580881.

1880859 = T₆₄₂ + T₆₄₃ + ... + T₆₅₀.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9580881 = 3 ⋅3193627.

It is an interprime number because it is at equal distance from previous prime (1880849) and next prime (1880869).

It is not a de Polignac number, because 1880859 - 2⁴ = 1880843 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1880819) 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, 313474 + ... + 313479.

It is an arithmetic number, because the mean of its divisors is an integer number (626954).

2^1880859 is an apocalyptic number.

1880859 is a deficient number, since it is larger than the sum of its proper divisors (626957).

1880859 is an equidigital number, since it uses as much as digits as its factorization.

1880859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626956.

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 1880859 is about 1371.4441293760. Note that the first 3 decimals coincide. The cubic root of 1880859 is about 123.4389104897.

The spelling of 1880859 in words is "one million, eight hundred eighty thousand, eight hundred fifty-nine".