682420406 has 16 divisors (see below), whose sum is σ = 1048310208. Its totient is φ = 332997000.

The previous prime is 682420381. The next prime is 682420463. The reversal of 682420406 is 604024286.

It is a happy number.

682420406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×682420406² = 931395221050409672, which contains 22 as substring.

It is a congruent number.

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, 132581 + ... + 137631.

It is an arithmetic number, because the mean of its divisors is an integer number (65519388).

Almost surely, 2^682420406 is an apocalyptic number.

682420406 is a deficient number, since it is larger than the sum of its proper divisors (365889802).

682420406 is a wasteful number, since it uses less digits than its factorization.

682420406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 682420406 is about 26123.1775632292. The cubic root of 682420406 is about 880.4080433771.

The spelling of 682420406 in words is "six hundred eighty-two million, four hundred twenty thousand, four hundred six".