1965970 has 8 divisors (see below), whose sum is σ = 3538764. Its totient is φ = 786384.

The previous prime is 1965967. The next prime is 1965973. The reversal of 1965970 is 795691.

It is an interprime number because it is at equal distance from previous prime (1965967) and next prime (1965973).

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 91809 = 1369^2 + 303^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1965973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98289 + ... + 98308.

2^1965970 is an apocalyptic number.

1965970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1965970 is a deficient number, since it is larger than the sum of its proper divisors (1572794).

1965970 is a wasteful number, since it uses less digits than its factorization.

1965970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196604.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 1965970 is about 1402.1305217418. The cubic root of 1965970 is about 125.2734281270.

The spelling of 1965970 in words is "one million, nine hundred sixty-five thousand, nine hundred seventy".