2021472 has 36 divisors (see below), whose sum is σ = 5749380. Its totient is φ = 673728.

The previous prime is 2021471. The next prime is 2021489. The reversal of 2021472 is 2741202.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3222 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

2^2021472 is an apocalyptic number.

It is an amenable number.

2021472 is an abundant number, since it is smaller than the sum of its proper divisors (3727908).

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

2021472 is a wasteful number, since it uses less digits than its factorization.

2021472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2021472 is about 1421.7847938419. The cubic root of 2021472 is about 126.4413847289.

Adding to 2021472 its reverse (2741202), we get a palindrome (4762674).

The spelling of 2021472 in words is "two million, twenty-one thousand, four hundred seventy-two".