3446621388 has 72 divisors (see below), whose sum is σ = 10394588400. Its totient is φ = 984747456.

The previous prime is 3446621383. The next prime is 3446621389. The reversal of 3446621388 is 8831266443.

It is not an unprimeable number, because it can be changed into a prime (3446621383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320353 + ... + 330936.

Almost surely, 2^3446621388 is an apocalyptic number.

It is an amenable number.

3446621388 is an abundant number, since it is smaller than the sum of its proper divisors (6947967012).

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

3446621388 is a wasteful number, since it uses less digits than its factorization.

3446621388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651316 (or 651301 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 3446621388 is about 58707.9329222210. The cubic root of 3446621388 is about 1510.5363923350.

The spelling of 3446621388 in words is "three billion, four hundred forty-six million, six hundred twenty-one thousand, three hundred eighty-eight".