8420532 has 12 divisors (see below), whose sum is σ = 19647936. Its totient is φ = 2806840.

The previous prime is 8420521. The next prime is 8420543. The reversal of 8420532 is 2350248.

It is an interprime number because it is at equal distance from previous prime (8420521) and next prime (8420543).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350844 + ... + 350867.

It is an arithmetic number, because the mean of its divisors is an integer number (1637328).

Almost surely, 2^8420532 is an apocalyptic number.

It is an amenable number.

8420532 is an abundant number, since it is smaller than the sum of its proper divisors (11227404).

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

8420532 is a wasteful number, since it uses less digits than its factorization.

8420532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701718 (or 701716 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8420532 is about 2901.8152939152. The cubic root of 8420532 is about 203.4447608080. Note that the first 3 decimals are identical.

The spelling of 8420532 in words is "eight million, four hundred twenty thousand, five hundred thirty-two".