3950784 has 84 divisors (see below), whose sum is σ = 11953240. Its totient is φ = 1247616.

The previous prime is 3950777. The next prime is 3950809. The reversal of 3950784 is 4870593.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207927 + ... + 207945.

Almost surely, 2^3950784 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 3950784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5976620).

3950784 is an abundant number, since it is smaller than the sum of its proper divisors (8002456).

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

3950784 is an equidigital number, since it uses as much as digits as its factorization.

3950784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3950784 is about 1987.6579182545. The cubic root of 3950784 is about 158.0863705519.

The spelling of 3950784 in words is "three million, nine hundred fifty thousand, seven hundred eighty-four".