3961950 has 48 divisors (see below), whose sum is σ = 10009776. Its totient is φ = 1036800.

The previous prime is 3961949. The next prime is 3961961. The reversal of 3961950 is 591693.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8934 + ... + 9366.

It is an arithmetic number, because the mean of its divisors is an integer number (208537).

Almost surely, 2^3961950 is an apocalyptic number.

3961950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3961950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5004888).

3961950 is an abundant number, since it is smaller than the sum of its proper divisors (6047826).

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

3961950 is a wasteful number, since it uses less digits than its factorization.

3961950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 3961950 is about 1990.4647698465. The cubic root of 3961950 is about 158.2351622894.

It can be divided in two parts, 396 and 1950, that added together give a triangular number (2346 = T₆₈).

The spelling of 3961950 in words is "three million, nine hundred sixty-one thousand, nine hundred fifty".