1956463 has 4 divisors (see below), whose sum is σ = 1959768. Its totient is φ = 1953160.

The previous prime is 1956439. The next prime is 1956481. The reversal of 1956463 is 3646591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3646591 = 13 ⋅280507.

It is a cyclic number.

It is not a de Polignac number, because 1956463 - 2⁵ = 1956431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1956433) 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, 493 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (489942).

2^1956463 is an apocalyptic number.

1956463 is a deficient number, since it is larger than the sum of its proper divisors (3305).

1956463 is an equidigital number, since it uses as much as digits as its factorization.

1956463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304.

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

The square root of 1956463 is about 1398.7362153029. The cubic root of 1956463 is about 125.0711701375.

The spelling of 1956463 in words is "one million, nine hundred fifty-six thousand, four hundred sixty-three".