1963456 has 28 divisors (see below), whose sum is σ = 4251960. Its totient is φ = 892160.

The previous prime is 1963433. The next prime is 1963457. The reversal of 1963456 is 6543691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691 + ... + 2098.

2^1963456 is an apocalyptic number.

1963456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1963456 is an abundant number, since it is smaller than the sum of its proper divisors (2288504).

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

1963456 is a wasteful number, since it uses less digits than its factorization.

1963456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2802 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 1963456 is about 1401.2337421002. The cubic root of 1963456 is about 125.2200072141.

The spelling of 1963456 in words is "one million, nine hundred sixty-three thousand, four hundred fifty-six".