1995650 has 24 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 790160.

The previous prime is 1995649. The next prime is 1995661. The reversal of 1995650 is 565991.

1995650 = T₃₈₇ + T₃₈₈ + ... + T₄₁₁.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1995650.

It is an unprimeable number.

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, 8231 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^1995650 is an apocalyptic number.

1995650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1995650 is a deficient number, since it is larger than the sum of its proper divisors (1754110).

1995650 is a wasteful number, since it uses less digits than its factorization.

1995650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 1995650 is about 1412.6747679491. The cubic root of 1995650 is about 125.9006944086.

The spelling of 1995650 in words is "one million, nine hundred ninety-five thousand, six hundred fifty".