671285948 has 24 divisors (see below), whose sum is σ = 1206321984. Its totient is φ = 326662400.

The previous prime is 671285933. The next prime is 671285963. The reversal of 671285948 is 849582176.

It is an interprime number because it is at equal distance from previous prime (671285933) and next prime (671285963).

It is a junction number, because it is equal to n+sod(n) for n = 671285896 and 671285905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65936 + ... + 75432.

It is an arithmetic number, because the mean of its divisors is an integer number (50263416).

Almost surely, 2^671285948 is an apocalyptic number.

It is an amenable number.

671285948 is a deficient number, since it is larger than the sum of its proper divisors (535036036).

671285948 is a wasteful number, since it uses less digits than its factorization.

671285948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973 (or 9971 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 671285948 is about 25909.1865561233. The cubic root of 671285948 is about 875.5934794967.

The spelling of 671285948 in words is "six hundred seventy-one million, two hundred eighty-five thousand, nine hundred forty-eight".