3950395878 has 32 divisors (see below), whose sum is σ = 9282051072. Its totient is φ = 1105005600.

The previous prime is 3950395877. The next prime is 3950395951. The reversal of 3950395878 is 8785930593.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950395877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2301238 + ... + 2302953.

It is an arithmetic number, because the mean of its divisors is an integer number (290064096).

Almost surely, 2^3950395878 is an apocalyptic number.

3950395878 is an abundant number, since it is smaller than the sum of its proper divisors (5331655194).

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

3950395878 is a wasteful number, since it uses less digits than its factorization.

3950395878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604220.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The square root of 3950395878 is about 62852.1748072412. The cubic root of 3950395878 is about 1580.8119362102.

The spelling of 3950395878 in words is "three billion, nine hundred fifty million, three hundred ninety-five thousand, eight hundred seventy-eight".