8421952 has 56 divisors (see below), whose sum is σ = 20848320. Its totient is φ = 3279360.

The previous prime is 8421929. The next prime is 8421961. The reversal of 8421952 is 2591248.

It is a tau number, because it is divible by the number of its divisors (56).

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, 4074 + ... + 5782.

Almost surely, 2^8421952 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 8421952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10424160).

8421952 is an abundant number, since it is smaller than the sum of its proper divisors (12426368).

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

8421952 is a wasteful number, since it uses less digits than its factorization.

8421952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739 (or 1729 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 8421952 is about 2902.0599580298. The cubic root of 8421952 is about 203.4561961631.

The spelling of 8421952 in words is "eight million, four hundred twenty-one thousand, nine hundred fifty-two".