3949052220 has 36 divisors (see below), whose sum is σ = 11978792280. Its totient is φ = 1053080544.

The previous prime is 3949052203. The next prime is 3949052257. The reversal of 3949052220 is 222509493.

3949052220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

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, 10969410 + ... + 10969769.

It is an arithmetic number, because the mean of its divisors is an integer number (332744230).

Almost surely, 2^3949052220 is an apocalyptic number.

3949052220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3949052220 is an abundant number, since it is smaller than the sum of its proper divisors (8029740060).

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

3949052220 is a wasteful number, since it uses less digits than its factorization.

3949052220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21939194 (or 21939189 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3949052220 is about 62841.4848646975. The cubic root of 3949052220 is about 1580.6326873840.

The spelling of 3949052220 in words is "three billion, nine hundred forty-nine million, fifty-two thousand, two hundred twenty".