671241394 has 16 divisors (see below), whose sum is σ = 1013101056. Its totient is φ = 333547200.

The previous prime is 671241391. The next prime is 671241397. The reversal of 671241394 is 493142176.

It is an interprime number because it is at equal distance from previous prime (671241391) and next prime (671241397).

It is not an unprimeable number, because it can be changed into a prime (671241391) 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, 303039 + ... + 305245.

It is an arithmetic number, because the mean of its divisors is an integer number (63318816).

Almost surely, 2^671241394 is an apocalyptic number.

671241394 is a deficient number, since it is larger than the sum of its proper divisors (341859662).

671241394 is a wasteful number, since it uses less digits than its factorization.

671241394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081.

The product of its digits is 36288, while the sum is 37.

The square root of 671241394 is about 25908.3267309952. The cubic root of 671241394 is about 875.5741076949.

The spelling of 671241394 in words is "six hundred seventy-one million, two hundred forty-one thousand, three hundred ninety-four".