676334391 has 8 divisors (see below), whose sum is σ = 904237824. Its totient is φ = 449660280.

The previous prime is 676334387. The next prime is 676334411. The reversal of 676334391 is 193433676.

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

It is not a de Polignac number, because 676334391 - 2² = 676334387 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676334311) 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, 306045 + ... + 308246.

It is an arithmetic number, because the mean of its divisors is an integer number (113029728).

Almost surely, 2^676334391 is an apocalyptic number.

676334391 is a deficient number, since it is larger than the sum of its proper divisors (227903433).

676334391 is a wasteful number, since it uses less digits than its factorization.

676334391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614661.

The product of its digits is 244944, while the sum is 42.

The square root of 676334391 is about 26006.4298011088. The cubic root of 676334391 is about 877.7829828951.

The spelling of 676334391 in words is "six hundred seventy-six million, three hundred thirty-four thousand, three hundred ninety-one".