1964242 has 16 divisors (see below), whose sum is σ = 3390912. Its totient is φ = 835920.

The previous prime is 1964213. The next prime is 1964243. The reversal of 1964242 is 2424691.

1964242 is a modest number, since divided by 4242 gives 196 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1964242.

It is not an unprimeable number, because it can be changed into a prime (1964243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (211932).

2^1964242 is an apocalyptic number.

1964242 is a deficient number, since it is larger than the sum of its proper divisors (1426670).

1964242 is a wasteful number, since it uses less digits than its factorization.

1964242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 3456, while the sum is 28.

The square root of 1964242 is about 1401.5141811626. The cubic root of 1964242 is about 125.2367141151.

It can be divided in two parts, 19 and 64242, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 1964242 in words is "one million, nine hundred sixty-four thousand, two hundred forty-two".