103622728 has 32 divisors (see below), whose sum is σ = 221175360. Its totient is φ = 45052480.

The previous prime is 103622723. The next prime is 103622731. The reversal of 103622728 is 827226301.

It is a super-3 number, since 3×103622728³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103622728.

It is not an unprimeable number, because it can be changed into a prime (103622723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23575 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (6911730).

Almost surely, 2^103622728 is an apocalyptic number.

It is an amenable number.

103622728 is an abundant number, since it is smaller than the sum of its proper divisors (117552632).

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

103622728 is a wasteful number, since it uses less digits than its factorization.

103622728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51237 (or 51233 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 103622728 is about 10179.5249397995. The cubic root of 103622728 is about 469.6975993490.

The spelling of 103622728 in words is "one hundred three million, six hundred twenty-two thousand, seven hundred twenty-eight".