1964118 has 32 divisors (see below), whose sum is σ = 4284000. Its totient is φ = 600288.

The previous prime is 1964117. The next prime is 1964119. The reversal of 1964118 is 8114691.

It is an interprime number because it is at equal distance from previous prime (1964117) and next prime (1964119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964113) 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 15 ways as a sum of consecutive naturals, for example, 13108 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (133875).

2^1964118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142000).

1964118 is an abundant number, since it is smaller than the sum of its proper divisors (2319882).

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

1964118 is a wasteful number, since it uses less digits than its factorization.

1964118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 167 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 1964118 is about 1401.4699425960. The cubic root of 1964118 is about 125.2340787169.

The spelling of 1964118 in words is "one million, nine hundred sixty-four thousand, one hundred eighteen".