1984950 has 72 divisors (see below), whose sum is σ = 5832216. Its totient is φ = 480000.

The previous prime is 1984921. The next prime is 1984979. The reversal of 1984950 is 594891.

It is an interprime number because it is at equal distance from previous prime (1984921) and next prime (1984979).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4750 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (81003).

2^1984950 is an apocalyptic number.

1984950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1984950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916108).

1984950 is an abundant number, since it is smaller than the sum of its proper divisors (3847266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1984950 is a wasteful number, since it uses less digits than its factorization.

1984950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1984950 is about 1408.8825359128. The cubic root of 1984950 is about 125.6752787530.

It can be divided in two parts, 198 and 4950, that multiplied together give a square (980100 = 990²).

The spelling of 1984950 in words is "one million, nine hundred eighty-four thousand, nine hundred fifty".