684146614 has 4 divisors (see below), whose sum is σ = 1026219924. Its totient is φ = 342073306.

The previous prime is 684146543. The next prime is 684146621. The reversal of 684146614 is 416641486.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171036652 + ... + 171036655.

It is an arithmetic number, because the mean of its divisors is an integer number (256554981).

Almost surely, 2^684146614 is an apocalyptic number.

684146614 is a deficient number, since it is larger than the sum of its proper divisors (342073310).

684146614 is a wasteful number, since it uses less digits than its factorization.

684146614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342073309.

The product of its digits is 110592, while the sum is 40.

The square root of 684146614 is about 26156.1964742583. The cubic root of 684146614 is about 881.1497600452.

The spelling of 684146614 in words is "six hundred eighty-four million, one hundred forty-six thousand, six hundred fourteen".