256682346 has 16 divisors (see below), whose sum is σ = 535685184. Its totient is φ = 81840704.

The previous prime is 256682341. The next prime is 256682359. The reversal of 256682346 is 643286652.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256682298 and 256682307.

It is not an unprimeable number, because it can be changed into a prime (256682341) 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, 929871 + ... + 930146.

It is an arithmetic number, because the mean of its divisors is an integer number (33480324).

Almost surely, 2^256682346 is an apocalyptic number.

256682346 is an abundant number, since it is smaller than the sum of its proper divisors (279002838).

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

256682346 is a wasteful number, since it uses less digits than its factorization.

256682346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860045.

The product of its digits is 414720, while the sum is 42.

The square root of 256682346 is about 16021.3091225405. The cubic root of 256682346 is about 635.5240644472.

The spelling of 256682346 in words is "two hundred fifty-six million, six hundred eighty-two thousand, three hundred forty-six".