5128418 has 12 divisors (see below), whose sum is σ = 7969650. Its totient is φ = 2474976.

The previous prime is 5128399. The next prime is 5128421. The reversal of 5128418 is 8148215.

It can be written as a sum of positive squares in 3 ways, for example, as 3523129 + 1605289 = 1877^2 + 1267^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158 + ... + 3206.

Almost surely, 2^5128418 is an apocalyptic number.

5128418 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5128418 is a deficient number, since it is larger than the sum of its proper divisors (2841232).

5128418 is a wasteful number, since it uses less digits than its factorization.

5128418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109 (or 3080 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 5128418 is about 2264.6010686211. The cubic root of 5128418 is about 172.4491819780.

The spelling of 5128418 in words is "five million, one hundred twenty-eight thousand, four hundred eighteen".