100386550 has 48 divisors (see below), whose sum is σ = 209241072. Its totient is φ = 35510400.

The previous prime is 100386523. The next prime is 100386551. The reversal of 100386550 is 55683001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100386551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17884 + ... + 22816.

It is an arithmetic number, because the mean of its divisors is an integer number (4359189).

Almost surely, 2^100386550 is an apocalyptic number.

100386550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100386550 is an abundant number, since it is smaller than the sum of its proper divisors (108854522).

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

100386550 is a wasteful number, since it uses less digits than its factorization.

100386550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 100386550 is about 10019.3088583994. The cubic root of 100386550 is about 464.7561831216.

The spelling of 100386550 in words is "one hundred million, three hundred eighty-six thousand, five hundred fifty".