1970256 has 20 divisors (see below), whose sum is σ = 5089952. Its totient is φ = 656736.

The previous prime is 1970237. The next prime is 1970257. The reversal of 1970256 is 6520791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20476 + ... + 20571.

2^1970256 is an apocalyptic number.

1970256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1970256 is an abundant number, since it is smaller than the sum of its proper divisors (3119696).

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

1970256 is a wasteful number, since it uses less digits than its factorization.

1970256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41058 (or 41052 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1970256 is about 1403.6580780233. The cubic root of 1970256 is about 125.3643980138.

The spelling of 1970256 in words is "one million, nine hundred seventy thousand, two hundred fifty-six".