1963955 has 8 divisors (see below), whose sum is σ = 2693472. Its totient is φ = 1346688.

The previous prime is 1963921. The next prime is 1963981. The reversal of 1963955 is 5593691.

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

It is not a de Polignac number, because 1963955 - 2¹⁶ = 1898419 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28022 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (336684).

2^1963955 is an apocalyptic number.

1963955 is a deficient number, since it is larger than the sum of its proper divisors (729517).

1963955 is an equidigital number, since it uses as much as digits as its factorization.

1963955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56125.

The product of its digits is 36450, while the sum is 38.

The square root of 1963955 is about 1401.4117881622. The cubic root of 1963955 is about 125.2306142748.

The spelling of 1963955 in words is "one million, nine hundred sixty-three thousand, nine hundred fifty-five".