1964208 has 40 divisors (see below), whose sum is σ = 5126656. Its totient is φ = 648000.

The previous prime is 1964203. The next prime is 1964213. The reversal of 1964208 is 8024691.

It is an interprime number because it is at equal distance from previous prime (1964203) and next prime (1964213).

It is a super-2 number, since 2×1964208² = 7716226134528, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 7113 + ... + 7383.

2^1964208 is an apocalyptic number.

It is an amenable number.

1964208 is an abundant number, since it is smaller than the sum of its proper divisors (3162448).

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

1964208 is a wasteful number, since it uses less digits than its factorization.

1964208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1964208 is about 1401.5020513720. The cubic root of 1964208 is about 125.2359915170.

Adding to 1964208 its reverse (8024691), we get a palindrome (9988899).

The spelling of 1964208 in words is "one million, nine hundred sixty-four thousand, two hundred eight".