7946128 has 20 divisors (see below), whose sum is σ = 15772428. Its totient is φ = 3875840.

The previous prime is 7946119. The next prime is 7946129. The reversal of 7946128 is 8216497.

It can be written as a sum of positive squares in 2 ways, for example, as 1227664 + 6718464 = 1108^2 + 2592^2 .

It is not an unprimeable number, because it can be changed into a prime (7946129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5401 + ... + 6712.

Almost surely, 2^7946128 is an apocalyptic number.

It is an amenable number.

7946128 is a deficient number, since it is larger than the sum of its proper divisors (7826300).

7946128 is a wasteful number, since it uses less digits than its factorization.

7946128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162 (or 12156 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 7946128 is about 2818.8877239081. The cubic root of 7946128 is about 199.5500551740.

Subtracting from 7946128 its sum of digits (37), we obtain a triangular number (7946091 = T₃₉₈₆).

The spelling of 7946128 in words is "seven million, nine hundred forty-six thousand, one hundred twenty-eight".