9155430 has 80 divisors (see below), whose sum is σ = 25090560. Its totient is φ = 2395008.

The previous prime is 9155417. The next prime is 9155477. The reversal of 9155430 is 345519.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 9155394 and 9155403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 72027 + ... + 72153.

It is an arithmetic number, because the mean of its divisors is an integer number (313632).

Almost surely, 2^9155430 is an apocalyptic number.

9155430 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9155430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12545280).

9155430 is an abundant number, since it is smaller than the sum of its proper divisors (15935130).

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

9155430 is a wasteful number, since it uses less digits than its factorization.

9155430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 9155430 is about 3025.7941106427. The cubic root of 9155430 is about 209.1989893771.

The spelling of 9155430 in words is "nine million, one hundred fifty-five thousand, four hundred thirty".