256830362 has 4 divisors (see below), whose sum is σ = 385245546. Its totient is φ = 128415180.

The previous prime is 256830349. The next prime is 256830377. The reversal of 256830362 is 263038652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 224670121 + 32160241 = 14989^2 + 5671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64207589 + ... + 64207592.

Almost surely, 2^256830362 is an apocalyptic number.

256830362 is a deficient number, since it is larger than the sum of its proper divisors (128415184).

256830362 is a wasteful number, since it uses less digits than its factorization.

256830362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128415183.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 256830362 is about 16025.9278046546. The cubic root of 256830362 is about 635.6461993943.

The spelling of 256830362 in words is "two hundred fifty-six million, eight hundred thirty thousand, three hundred sixty-two".