2141964 has 60 divisors (see below), whose sum is σ = 6118728. Its totient is φ = 648000.

The previous prime is 2141947. The next prime is 2141977. The reversal of 2141964 is 4691412.

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 an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3264 + ... + 3864.

2^2141964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3059364).

2141964 is an abundant number, since it is smaller than the sum of its proper divisors (3976764).

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

2141964 is a wasteful number, since it uses less digits than its factorization.

2141964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 617 counting only the distinct ones).

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

The square root of 2141964 is about 1463.5450112655. The cubic root of 2141964 is about 128.9052847200.

The spelling of 2141964 in words is "two million, one hundred forty-one thousand, nine hundred sixty-four".