100493885 has 8 divisors (see below), whose sum is σ = 127686456. Its totient is φ = 75665920.

The previous prime is 100493879. The next prime is 100493891. The reversal of 100493885 is 588394001.

It is an interprime number because it is at equal distance from previous prime (100493879) and next prime (100493891).

It can be written as a sum of positive squares in 4 ways, for example, as 50098084 + 50395801 = 7078^2 + 7099^2 .

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

It is not a de Polignac number, because 100493885 - 2⁶ = 100493821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591056 + ... + 591225.

It is an arithmetic number, because the mean of its divisors is an integer number (15960807).

Almost surely, 2^100493885 is an apocalyptic number.

It is an amenable number.

100493885 is a deficient number, since it is larger than the sum of its proper divisors (27192571).

100493885 is a wasteful number, since it uses less digits than its factorization.

100493885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182303.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 100493885 is about 10024.6638347627. The cubic root of 100493885 is about 464.9217658493.

The spelling of 100493885 in words is "one hundred million, four hundred ninety-three thousand, eight hundred eighty-five".