680949246 has 48 divisors (see below), whose sum is σ = 1521982224. Its totient is φ = 202376448.

The previous prime is 680949239. The next prime is 680949253. The reversal of 680949246 is 642949086.

It is an interprime number because it is at equal distance from previous prime (680949239) and next prime (680949253).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 680949195 and 680949204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27576 + ... + 46068.

It is an arithmetic number, because the mean of its divisors is an integer number (31707963).

Almost surely, 2^680949246 is an apocalyptic number.

680949246 is an abundant number, since it is smaller than the sum of its proper divisors (841032978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680949246 is a wasteful number, since it uses less digits than its factorization.

680949246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553 (or 18534 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 680949246 is about 26095.0042345273. The cubic root of 680949246 is about 879.7749278046.

The spelling of 680949246 in words is "six hundred eighty million, nine hundred forty-nine thousand, two hundred forty-six".