3985950 has 24 divisors (see below), whose sum is σ = 9885528. Its totient is φ = 1062880.

The previous prime is 3985903. The next prime is 3985951. The reversal of 3985950 is 595893.

It is a junction number, because it is equal to n+sod(n) for n = 3985899 and 3985908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13137 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (411897).

Almost surely, 2^3985950 is an apocalyptic number.

3985950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3985950 is an abundant number, since it is smaller than the sum of its proper divisors (5899578).

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

3985950 is a wasteful number, since it uses less digits than its factorization.

3985950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26588 (or 26583 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 3985950 is about 1996.4844101570. The cubic root of 3985950 is about 158.5540289557.

The spelling of 3985950 in words is "three million, nine hundred eighty-five thousand, nine hundred fifty".