3950388 has 72 divisors (see below), whose sum is σ = 11251968. Its totient is φ = 1159488.

The previous prime is 3950383. The next prime is 3950389. The reversal of 3950388 is 8830593.

3950388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950383) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10581 + ... + 10947.

Almost surely, 2^3950388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3950388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5625984).

3950388 is an abundant number, since it is smaller than the sum of its proper divisors (7301580).

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

3950388 is a wasteful number, since it uses less digits than its factorization.

3950388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3950388 is about 1987.5583010317. The cubic root of 3950388 is about 158.0810885375.

The spelling of 3950388 in words is "three million, nine hundred fifty thousand, three hundred eighty-eight".