1950664 has 16 divisors (see below), whose sum is σ = 3692700. Its totient is φ = 965952.

The previous prime is 1950661. The next prime is 1950667. The reversal of 1950664 is 4660591.

It is an interprime number because it is at equal distance from previous prime (1950661) and next prime (1950667).

It can be written as a sum of positive squares in 2 ways, for example, as 1822500 + 128164 = 1350^2 + 358^2 .

It is not an unprimeable number, because it can be changed into a prime (1950661) 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, 247 + ... + 1990.

2^1950664 is an apocalyptic number.

It is an amenable number.

1950664 is a deficient number, since it is larger than the sum of its proper divisors (1742036).

1950664 is a wasteful number, since it uses less digits than its factorization.

1950664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2348 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1950664 is about 1396.6617342793. The cubic root of 1950664 is about 124.9474766001.

The spelling of 1950664 in words is "one million, nine hundred fifty thousand, six hundred sixty-four".