3217424638 has 8 divisors (see below), whose sum is σ = 4849010280. Its totient is φ = 1601087880.

The previous prime is 3217424627. The next prime is 3217424653. The reversal of 3217424638 is 8364247123.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3217424638.

It is a congruent number.

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, 3811693 + ... + 3812536.

It is an arithmetic number, because the mean of its divisors is an integer number (606126285).

Almost surely, 2^3217424638 is an apocalyptic number.

3217424638 is a deficient number, since it is larger than the sum of its proper divisors (1631585642).

3217424638 is a wasteful number, since it uses less digits than its factorization.

3217424638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624442.

The product of its digits is 193536, while the sum is 40.

The square root of 3217424638 is about 56722.3469013757. The cubic root of 3217424638 is about 1476.2824641241.

The spelling of 3217424638 in words is "three billion, two hundred seventeen million, four hundred twenty-four thousand, six hundred thirty-eight".