1964223 has 16 divisors (see below), whose sum is σ = 3037440. Its totient is φ = 1252152.

The previous prime is 1964213. The next prime is 1964243. The reversal of 1964223 is 3224691.

1964223 is a `hidden beast` number, since 19 + 642 + 2 + 3 = 666.

It is not a de Polignac number, because 1964223 - 2⁶ = 1964159 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 1 + 9³ + 6⁸ + 4⁹ + 2 + 2¹¹ + 3⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961 + ... + 2202.

It is an arithmetic number, because the mean of its divisors is an integer number (189840).

2^1964223 is an apocalyptic number.

1964223 is a deficient number, since it is larger than the sum of its proper divisors (1073217).

1964223 is a wasteful number, since it uses less digits than its factorization.

1964223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3189 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1964223 is about 1401.5074027632. The cubic root of 1964223 is about 125.2363103113.

It can be divided in two parts, 1964 and 223, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1964223 in words is "one million, nine hundred sixty-four thousand, two hundred twenty-three".