3988950 has 96 divisors (see below), whose sum is σ = 11784960. Its totient is φ = 873600.

The previous prime is 3988909. The next prime is 3988961. The reversal of 3988950 is 598893.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30385 + ... + 30515.

It is an arithmetic number, because the mean of its divisors is an integer number (122760).

Almost surely, 2^3988950 is an apocalyptic number.

3988950 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 3988950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5892480).

3988950 is an abundant number, since it is smaller than the sum of its proper divisors (7796010).

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

3988950 is a wasteful number, since it uses less digits than its factorization.

3988950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 3988950 is about 1997.2355895087. The cubic root of 3988950 is about 158.5937972085.

The spelling of 3988950 in words is "three million, nine hundred eighty-eight thousand, nine hundred fifty".