682609490 has 16 divisors (see below), whose sum is σ = 1230655680. Its totient is φ = 272608560.

The previous prime is 682609481. The next prime is 682609507. The reversal of 682609490 is 94906286.

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, 47780 + ... + 60399.

It is an arithmetic number, because the mean of its divisors is an integer number (76915980).

Almost surely, 2^682609490 is an apocalyptic number.

682609490 is a deficient number, since it is larger than the sum of its proper divisors (548046190).

682609490 is a wasteful number, since it uses less digits than its factorization.

682609490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108817.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 682609490 is about 26126.7963975685. The cubic root of 682609490 is about 880.4893499051.

The spelling of 682609490 in words is "six hundred eighty-two million, six hundred nine thousand, four hundred ninety".