1953955 has 4 divisors (see below), whose sum is σ = 2344752. Its totient is φ = 1563160.

The previous prime is 1953949. The next prime is 1953967. The reversal of 1953955 is 5593591.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1953955 - 2¹³ = 1945763 is a prime.

It is a d-powerful number, because it can be written as 1 + 9 + 5 + 3⁶ + 9² + 5 + 5⁹ .

It is a Duffinian number.

1953955 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 3 ways as a sum of consecutive naturals, for example, 195391 + ... + 195400.

It is an arithmetic number, because the mean of its divisors is an integer number (586188).

2^1953955 is an apocalyptic number.

1953955 is a deficient number, since it is larger than the sum of its proper divisors (390797).

1953955 is an equidigital number, since it uses as much as digits as its factorization.

1953955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390796.

The product of its digits is 30375, while the sum is 37.

The square root of 1953955 is about 1397.8394042235. The cubic root of 1953955 is about 125.0177041591.

The spelling of 1953955 in words is "one million, nine hundred fifty-three thousand, nine hundred fifty-five".