1941965 has 8 divisors (see below), whose sum is σ = 2387448. Its totient is φ = 1515520.

The previous prime is 1941941. The next prime is 1941967. The reversal of 1941965 is 5691491.

It can be written as a sum of positive squares in 4 ways, for example, as 228484 + 1713481 = 478^2 + 1309^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1941965 is a prime.

It is a super-2 number, since 2×1941965² = 7542456122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941967) 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, 4532 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (298431).

2^1941965 is an apocalyptic number.

It is an amenable number.

1941965 is a deficient number, since it is larger than the sum of its proper divisors (445483).

1941965 is an equidigital number, since it uses as much as digits as its factorization.

1941965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519.

The product of its digits is 9720, while the sum is 35.

The square root of 1941965 is about 1393.5440430787. The cubic root of 1941965 is about 124.7614650983.

The spelling of 1941965 in words is "one million, nine hundred forty-one thousand, nine hundred sixty-five".