4993128 has 48 divisors (see below), whose sum is σ = 15456480. Its totient is φ = 1426464.

The previous prime is 4993123. The next prime is 4993129. The reversal of 4993128 is 8213994.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4993092 and 4993101.

It is not an unprimeable number, because it can be changed into a prime (4993123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4450 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (322010).

Almost surely, 2^4993128 is an apocalyptic number.

It is an amenable number.

4993128 is an abundant number, since it is smaller than the sum of its proper divisors (10463352).

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

4993128 is a wasteful number, since it uses less digits than its factorization.

4993128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926 (or 9919 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 4993128 is about 2234.5308232378. The cubic root of 4993128 is about 170.9192190522.

The spelling of 4993128 in words is "four million, nine hundred ninety-three thousand, one hundred twenty-eight".