671350890 has 32 divisors (see below), whose sum is σ = 1841420160. Its totient is φ = 153451584.

The previous prime is 671350879. The next prime is 671350907. The reversal of 671350890 is 98053176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598245 + ... + 1598664.

It is an arithmetic number, because the mean of its divisors is an integer number (57544380).

Almost surely, 2^671350890 is an apocalyptic number.

671350890 is an abundant number, since it is smaller than the sum of its proper divisors (1170069270).

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

671350890 is a wasteful number, since it uses less digits than its factorization.

671350890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196926.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 671350890 is about 25910.4397878539. The cubic root of 671350890 is about 875.6217143387.

The spelling of 671350890 in words is "six hundred seventy-one million, three hundred fifty thousand, eight hundred ninety".