1959955 has 8 divisors (see below), whose sum is σ = 2385504. Its totient is φ = 1545600.

The previous prime is 1959949. The next prime is 1959961. The reversal of 1959955 is 5599591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1959949) and next prime (1959961).

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

It is not a de Polignac number, because 1959955 - 2⁷ = 1959827 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 9 + 5³ + 9 + 9⁴ + 5³ + 5⁹ .

It is a Duffinian number.

1959955 is a lucky 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, 2406 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (298188).

2^1959955 is an apocalyptic number.

1959955 is a deficient number, since it is larger than the sum of its proper divisors (425549).

1959955 is an equidigital number, since it uses as much as digits as its factorization.

1959955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597.

The product of its digits is 91125, while the sum is 43.

The square root of 1959955 is about 1399.9839284792. The cubic root of 1959955 is about 125.1455371524.

The spelling of 1959955 in words is "one million, nine hundred fifty-nine thousand, nine hundred fifty-five".