32428396 has 108 divisors (see below), whose sum is σ = 78858360. Its totient is φ = 11531520.

The previous prime is 32428381. The next prime is 32428411. The reversal of 32428396 is 69382423.

It is an interprime number because it is at equal distance from previous prime (32428381) and next prime (32428411).

Its product of digits (62208) is a multiple of the sum of its prime factors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 364320 + ... + 364408.

It is an arithmetic number, because the mean of its divisors is an integer number (730170).

Almost surely, 2^32428396 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 32428396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39429180).

32428396 is an abundant number, since it is smaller than the sum of its proper divisors (46429964).

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

32428396 is a wasteful number, since it uses less digits than its factorization.

32428396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 122 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 32428396 is about 5694.5935763670. The cubic root of 32428396 is about 318.8906770561.

The spelling of 32428396 in words is "thirty-two million, four hundred twenty-eight thousand, three hundred ninety-six".