1960081 has 4 divisors (see below), whose sum is σ = 2027700. Its totient is φ = 1892464.

The previous prime is 1960067. The next prime is 1960093. The reversal of 1960081 is 1800691.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 919681 = 1020^2 + 959^2 .

It is a cyclic number.

It is not a de Polignac number, because 1960081 - 2¹⁵ = 1927313 is a prime.

It is a super-2 number, since 2×1960081² = 7683835053122, 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 (1960051) by changing a digit.

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, 33766 + ... + 33823.

It is an arithmetic number, because the mean of its divisors is an integer number (506925).

2^1960081 is an apocalyptic number.

It is an amenable number.

1960081 is a deficient number, since it is larger than the sum of its proper divisors (67619).

1960081 is an equidigital number, since it uses as much as digits as its factorization.

1960081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67618.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1960081 is about 1400.0289282726. The cubic root of 1960081 is about 125.1482188466.

It can be divided in two parts, 19600 and 81, that multiplied together give a square (1587600 = 1260²).

The spelling of 1960081 in words is "one million, nine hundred sixty thousand, eighty-one".