256746196 has 24 divisors (see below), whose sum is σ = 518791616. Its totient is φ = 108898560.

The previous prime is 256746187. The next prime is 256746197. The reversal of 256746196 is 691647652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256746197) 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, 44550 + ... + 49981.

Almost surely, 2^256746196 is an apocalyptic number.

It is an amenable number.

256746196 is an abundant number, since it is smaller than the sum of its proper divisors (262045420).

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

256746196 is a wasteful number, since it uses less digits than its factorization.

256746196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94639 (or 94637 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 256746196 is about 16023.3016572740. The cubic root of 256746196 is about 635.5767558353.

The spelling of 256746196 in words is "two hundred fifty-six million, seven hundred forty-six thousand, one hundred ninety-six".