1964442 has 8 divisors (see below), whose sum is σ = 3928896. Its totient is φ = 654812.

The previous prime is 1964437. The next prime is 1964447. The reversal of 1964442 is 2444691.

It is an interprime number because it is at equal distance from previous prime (1964437) and next prime (1964447).

It is a sphenic number, since it is the product of 3 distinct primes.

1964442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1964447) 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, 163698 + ... + 163709.

It is an arithmetic number, because the mean of its divisors is an integer number (491112).

2^1964442 is an apocalyptic number.

1964442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1964442 is a wasteful number, since it uses less digits than its factorization.

1964442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327412.

The product of its digits is 6912, while the sum is 30.

The square root of 1964442 is about 1401.5855307472. The cubic root of 1964442 is about 125.2409645236.

Subtracting 1964442 from its reverse (2444691), we obtain a square (480249 = 693²).

The spelling of 1964442 in words is "one million, nine hundred sixty-four thousand, four hundred forty-two".