3457397218 has 8 divisors (see below), whose sum is σ = 5657559120. Its totient is φ = 1571544180.

The previous prime is 3457397213. The next prime is 3457397239. The reversal of 3457397218 is 8127937543.

3457397218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3457397213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78577188 + ... + 78577231.

It is an arithmetic number, because the mean of its divisors is an integer number (707194890).

Almost surely, 2^3457397218 is an apocalyptic number.

3457397218 is a deficient number, since it is larger than the sum of its proper divisors (2200161902).

3457397218 is a wasteful number, since it uses less digits than its factorization.

3457397218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157154432.

The product of its digits is 1270080, while the sum is 49.

The square root of 3457397218 is about 58799.6362063576. The cubic root of 3457397218 is about 1512.1089806133.

The spelling of 3457397218 in words is "three billion, four hundred fifty-seven million, three hundred ninety-seven thousand, two hundred eighteen".