8346428408 has 8 divisors (see below), whose sum is σ = 15649553280. Its totient is φ = 4173214200.

The previous prime is 8346428383. The next prime is 8346428473. The reversal of 8346428408 is 8048246438.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521651768 + ... + 521651783.

It is an arithmetic number, because the mean of its divisors is an integer number (1956194160).

Almost surely, 2^8346428408 is an apocalyptic number.

It is an amenable number.

8346428408 is a deficient number, since it is larger than the sum of its proper divisors (7303124872).

8346428408 is a wasteful number, since it uses less digits than its factorization.

8346428408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043303557 (or 1043303553 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

The square root of 8346428408 is about 91358.7894403160. The cubic root of 8346428408 is about 2028.4620679428.

The spelling of 8346428408 in words is "eight billion, three hundred forty-six million, four hundred twenty-eight thousand, four hundred eight".