9280432 has 80 divisors (see below), whose sum is σ = 21998592. Its totient is φ = 3709440.

The previous prime is 9280429. The next prime is 9280457. The reversal of 9280432 is 2340829.

9280432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9280432² = 172252836213248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 9280432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197433 + ... + 197479.

Almost surely, 2^9280432 is an apocalyptic number.

9280432 is the 1927-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9280432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10999296).

9280432 is an abundant number, since it is smaller than the sum of its proper divisors (12718160).

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

9280432 is a wasteful number, since it uses less digits than its factorization.

9280432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 9280432 is about 3046.3801469941. The cubic root of 9280432 is about 210.1467756968.

The spelling of 9280432 in words is "nine million, two hundred eighty thousand, four hundred thirty-two".