4021952 has 56 divisors (see below), whose sum is σ = 9052560. Its totient is φ = 1756160.

The previous prime is 4021949. The next prime is 4021961. The reversal of 4021952 is 2591204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20318 + ... + 20514.

Almost surely, 2^4021952 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 4021952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4526280).

4021952 is an abundant number, since it is smaller than the sum of its proper divisors (5030608).

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

4021952 is a wasteful number, since it uses less digits than its factorization.

4021952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4021952 is about 2005.4804910545. The cubic root of 4021952 is about 159.0299641588.

The spelling of 4021952 in words is "four million, twenty-one thousand, nine hundred fifty-two".