3950778 has 16 divisors (see below), whose sum is σ = 8509536. Its totient is φ = 1215600.

The previous prime is 3950777. The next prime is 3950809. The reversal of 3950778 is 8770593.

3950778 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 (39).

It is not an unprimeable number, because it can be changed into a prime (3950777) 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 7 ways as a sum of consecutive naturals, for example, 25248 + ... + 25403.

It is an arithmetic number, because the mean of its divisors is an integer number (531846).

Almost surely, 2^3950778 is an apocalyptic number.

3950778 is an abundant number, since it is smaller than the sum of its proper divisors (4558758).

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

3950778 is a wasteful number, since it uses less digits than its factorization.

3950778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50669.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3950778 is about 1987.6564089399. The cubic root of 3950778 is about 158.0862905241.

The spelling of 3950778 in words is "three million, nine hundred fifty thousand, seven hundred seventy-eight".