1961183 has 8 divisors (see below), whose sum is σ = 2318880. Its totient is φ = 1622880.

The previous prime is 1961173. The next prime is 1961213. The reversal of 1961183 is 3811691.

It is a happy number.

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

It is not a de Polignac number, because 1961183 - 2¹⁴ = 1944799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4628 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (289860).

2^1961183 is an apocalyptic number.

1961183 is a deficient number, since it is larger than the sum of its proper divisors (357697).

1961183 is an equidigital number, since it uses as much as digits as its factorization.

1961183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697.

The product of its digits is 1296, while the sum is 29.

The square root of 1961183 is about 1400.4224362670. The cubic root of 1961183 is about 125.1716681325.

The spelling of 1961183 in words is "one million, nine hundred sixty-one thousand, one hundred eighty-three".