1950309 has 12 divisors (see below), whose sum is σ = 2839200. Its totient is φ = 1290024.

The previous prime is 1950287. The next prime is 1950317. The reversal of 1950309 is 9030591.

It is not a de Polignac number, because 1950309 - 2⁷ = 1950181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950349) 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 11 ways as a sum of consecutive naturals, for example, 472 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (236600).

2^1950309 is an apocalyptic number.

It is an amenable number.

1950309 is a deficient number, since it is larger than the sum of its proper divisors (888891).

1950309 is a wasteful number, since it uses less digits than its factorization.

1950309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 1950309 is about 1396.5346397422. The cubic root of 1950309 is about 124.9398964385.

The spelling of 1950309 in words is "one million, nine hundred fifty thousand, three hundred nine".