3955894340 has 12 divisors (see below), whose sum is σ = 8307378156. Its totient is φ = 1582357728.

The previous prime is 3955894277. The next prime is 3955894351. The reversal of 3955894340 is 434985593.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1784893504 + 2171000836 = 42248^2 + 46594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98897339 + ... + 98897378.

It is an arithmetic number, because the mean of its divisors is an integer number (692281513).

Almost surely, 2^3955894340 is an apocalyptic number.

It is an amenable number.

3955894340 is an abundant number, since it is smaller than the sum of its proper divisors (4351483816).

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

3955894340 is a wasteful number, since it uses less digits than its factorization.

3955894340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197794726 (or 197794724 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 3955894340 is about 62895.9008203237. The cubic root of 3955894340 is about 1581.5450276942.

The spelling of 3955894340 in words is "three billion, nine hundred fifty-five million, eight hundred ninety-four thousand, three hundred forty".