83428148 has 24 divisors (see below), whose sum is σ = 150324552. Its totient is φ = 40495104.

The previous prime is 83428109. The next prime is 83428159. The reversal of 83428148 is 84182438.

It can be written as a sum of positive squares in 4 ways, for example, as 18335524 + 65092624 = 4282^2 + 8068^2 .

It is a super-3 number, since 3×83428148³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18536 + ... + 22592.

It is an arithmetic number, because the mean of its divisors is an integer number (6263523).

Almost surely, 2^83428148 is an apocalyptic number.

It is an amenable number.

83428148 is a deficient number, since it is larger than the sum of its proper divisors (66896404).

83428148 is a wasteful number, since it uses less digits than its factorization.

83428148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4209 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 83428148 is about 9133.9010285858. The cubic root of 83428148 is about 436.9558260623.

It can be divided in two parts, 834 and 28148, that added together give a palindrome (28982).

The spelling of 83428148 in words is "eighty-three million, four hundred twenty-eight thousand, one hundred forty-eight".