1953216 has 42 divisors (see below), whose sum is σ = 5600192. Its totient is φ = 650880.

The previous prime is 1953167. The next prime is 1953233. The reversal of 1953216 is 6123591.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1953216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120 + ... + 2271.

2^1953216 is an apocalyptic number.

1953216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1953216 is an abundant number, since it is smaller than the sum of its proper divisors (3646976).

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

1953216 is a wasteful number, since it uses less digits than its factorization.

1953216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3396 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 1953216 is about 1397.5750427079. The cubic root of 1953216 is about 125.0019413032.

It can be divided in two parts, 19 and 53216, that added together give a palindrome (53235).

The spelling of 1953216 in words is "one million, nine hundred fifty-three thousand, two hundred sixteen".