671383954 has 8 divisors (see below), whose sum is σ = 1007285580. Its totient is φ = 335622096.

The previous prime is 671383939. The next prime is 671383969. The reversal of 671383954 is 459383176.

It is an interprime number because it is at equal distance from previous prime (671383939) and next prime (671383969).

It can be written as a sum of positive squares in 2 ways, for example, as 659308329 + 12075625 = 25677^2 + 3475^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21969 + ... + 42724.

Almost surely, 2^671383954 is an apocalyptic number.

671383954 is a deficient number, since it is larger than the sum of its proper divisors (335901626).

671383954 is a wasteful number, since it uses less digits than its factorization.

671383954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69884.

The product of its digits is 544320, while the sum is 46.

The square root of 671383954 is about 25911.0778239733. The cubic root of 671383954 is about 875.6360888790.

The spelling of 671383954 in words is "six hundred seventy-one million, three hundred eighty-three thousand, nine hundred fifty-four".