8400132 has 96 divisors (see below), whose sum is σ = 24335360. Its totient is φ = 2488320.

The previous prime is 8400131. The next prime is 8400143. The reversal of 8400132 is 2310048.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (8400131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43428 + ... + 43620.

Almost surely, 2^8400132 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 8400132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12167680).

8400132 is an abundant number, since it is smaller than the sum of its proper divisors (15935228).

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

8400132 is a wasteful number, since it uses less digits than its factorization.

8400132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8400132 is about 2898.2981213119. The cubic root of 8400132 is about 203.2803361536.

The spelling of 8400132 in words is "eight million, four hundred thousand, one hundred thirty-two".