1964412 has 72 divisors (see below), whose sum is σ = 5381376. Its totient is φ = 625968.

The previous prime is 1964411. The next prime is 1964419. The reversal of 1964412 is 2144691.

1964412 is a `hidden beast` number, since 1 + 9 + 644 + 12 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41773 + ... + 41819.

2^1964412 is an apocalyptic number.

1964412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1964412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690688).

1964412 is an abundant number, since it is smaller than the sum of its proper divisors (3416964).

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

1964412 is a wasteful number, since it uses less digits than its factorization.

1964412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 95 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1964412 is about 1401.5748285411. The cubic root of 1964412 is about 125.2403269808.

The spelling of 1964412 in words is "one million, nine hundred sixty-four thousand, four hundred twelve".