32428161 has 8 divisors (see below), whose sum is σ = 48041760. Its totient is φ = 21618756.

The previous prime is 32428159. The next prime is 32428199. The reversal of 32428161 is 16182423.

32428161 is a `hidden beast` number, since 324 + 281 + 61 = 666.

It is not a de Polignac number, because 32428161 - 2¹ = 32428159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1201043 = 32428161 / (3 + 2 + 4 + 2 + 8 + 1 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (32428661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600495 + ... + 600548.

It is an arithmetic number, because the mean of its divisors is an integer number (6005220).

Almost surely, 2^32428161 is an apocalyptic number.

It is an amenable number.

32428161 is a deficient number, since it is larger than the sum of its proper divisors (15613599).

32428161 is a wasteful number, since it uses less digits than its factorization.

32428161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201052 (or 1201046 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 32428161 is about 5694.5729427236. The cubic root of 32428161 is about 318.8899067488.

The spelling of 32428161 in words is "thirty-two million, four hundred twenty-eight thousand, one hundred sixty-one".