100648387 has 8 divisors (see below), whose sum is σ = 115151616. Its totient is φ = 86176392.

The previous prime is 100648369. The next prime is 100648417. The reversal of 100648387 is 783846001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100648387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100648367) 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, 433 + ... + 14194.

It is an arithmetic number, because the mean of its divisors is an integer number (14393952).

Almost surely, 2^100648387 is an apocalyptic number.

100648387 is a deficient number, since it is larger than the sum of its proper divisors (14503229).

100648387 is an equidigital number, since it uses as much as digits as its factorization.

100648387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 100648387 is about 10032.3669689660. The cubic root of 100648387 is about 465.1599049236.

The spelling of 100648387 in words is "one hundred million, six hundred forty-eight thousand, three hundred eighty-seven".