682512408 has 48 divisors (see below), whose sum is σ = 1878786000. Its totient is φ = 223773120.

The previous prime is 682512377. The next prime is 682512409. The reversal of 682512408 is 804215286.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682512409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73308 + ... + 82091.

It is an arithmetic number, because the mean of its divisors is an integer number (39141375).

Almost surely, 2^682512408 is an apocalyptic number.

It is an amenable number.

682512408 is an abundant number, since it is smaller than the sum of its proper divisors (1196273592).

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

682512408 is a wasteful number, since it uses less digits than its factorization.

682512408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155472 (or 155465 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 682512408 is about 26124.9384305495. The cubic root of 682512408 is about 880.4476063114.

The spelling of 682512408 in words is "six hundred eighty-two million, five hundred twelve thousand, four hundred eight".