3955770 has 192 divisors, whose sum is σ = 13789440. Its totient is φ = 798336.

The previous prime is 3955759. The next prime is 3955771. The reversal of 3955770 is 775593.

3955770 is a `hidden beast` number, since 39 + 557 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955771) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 171979 + ... + 172001.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

Almost surely, 2^3955770 is an apocalyptic number.

3955770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3955770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6894720).

3955770 is an abundant number, since it is smaller than the sum of its proper divisors (9833670).

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

3955770 is a wasteful number, since it uses less digits than its factorization.

3955770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 3955770 is about 1988.9117627487. The cubic root of 3955770 is about 158.1528457369.

The spelling of 3955770 in words is "three million, nine hundred fifty-five thousand, seven hundred seventy".