3980194655 has 8 divisors (see below), whose sum is σ = 4807865184. Its totient is φ = 3163068000.

The previous prime is 3980194633. The next prime is 3980194657. The reversal of 3980194655 is 5564910893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3980194655 - 2⁸ = 3980194399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980194657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635136 + ... + 2636645.

It is an arithmetic number, because the mean of its divisors is an integer number (600983148).

Almost surely, 2^3980194655 is an apocalyptic number.

3980194655 is a deficient number, since it is larger than the sum of its proper divisors (827670529).

3980194655 is a wasteful number, since it uses less digits than its factorization.

3980194655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271937.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 3980194655 is about 63088.7839080767. The cubic root of 3980194655 is about 1584.7767972109.

The spelling of 3980194655 in words is "three billion, nine hundred eighty million, one hundred ninety-four thousand, six hundred fifty-five".