684892046 has 16 divisors (see below), whose sum is σ = 1052092800. Its totient is φ = 334207608.

The previous prime is 684892007. The next prime is 684892049. The reversal of 684892046 is 640298486.

It is a super-2 number, since 2×684892046² = 938154229348132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684892049) 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, 136775 + ... + 141693.

It is an arithmetic number, because the mean of its divisors is an integer number (65755800).

Almost surely, 2^684892046 is an apocalyptic number.

684892046 is a deficient number, since it is larger than the sum of its proper divisors (367200754).

684892046 is a wasteful number, since it uses less digits than its factorization.

684892046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 684892046 is about 26170.4422201842. The cubic root of 684892046 is about 881.4696714014.

The spelling of 684892046 in words is "six hundred eighty-four million, eight hundred ninety-two thousand, forty-six".