4198128 has 40 divisors (see below), whose sum is σ = 11832576. Its totient is φ = 1272000.

The previous prime is 4198111. The next prime is 4198141. The reversal of 4198128 is 8218914.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3448 + ... + 4503.

Almost surely, 2^4198128 is an apocalyptic number.

4198128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4198128 is an abundant number, since it is smaller than the sum of its proper divisors (7634448).

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

4198128 is a wasteful number, since it uses less digits than its factorization.

4198128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973 (or 7967 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 4198128 is about 2048.9333810546. The cubic root of 4198128 is about 161.3188901003.

The spelling of 4198128 in words is "four million, one hundred ninety-eight thousand, one hundred twenty-eight".