674191896 has 64 divisors (see below), whose sum is σ = 2027654400. Its totient is φ = 182487168.

The previous prime is 674191891. The next prime is 674191907. The reversal of 674191896 is 698191476.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674191891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102415 + ... + 108798.

It is an arithmetic number, because the mean of its divisors is an integer number (31682100).

Almost surely, 2^674191896 is an apocalyptic number.

It is an amenable number.

674191896 is an abundant number, since it is smaller than the sum of its proper divisors (1353462504).

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

674191896 is a wasteful number, since it uses less digits than its factorization.

674191896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211248 (or 211244 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 674191896 is about 25965.2054873440. The cubic root of 674191896 is about 876.8551208698.

The spelling of 674191896 in words is "six hundred seventy-four million, one hundred ninety-one thousand, eight hundred ninety-six".