100846649 has 2 divisors, whose sum is σ = 100846650. Its totient is φ = 100846648.

The previous prime is 100846639. The next prime is 100846657. The reversal of 100846649 is 946648001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60295225 + 40551424 = 7765^2 + 6368^2 .

It is a cyclic number.

It is not a de Polignac number, because 100846649 - 2⁸ = 100846393 is a prime.

It is a super-2 number, since 2×100846649² = 20340093229058402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100846619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50423324 + 50423325.

It is an arithmetic number, because the mean of its divisors is an integer number (50423325).

Almost surely, 2^100846649 is an apocalyptic number.

It is an amenable number.

100846649 is a deficient number, since it is larger than the sum of its proper divisors (1).

100846649 is an equidigital number, since it uses as much as digits as its factorization.

100846649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 100846649 is about 10042.2432254950. The cubic root of 100846649 is about 465.4651359911.

The spelling of 100846649 in words is "one hundred million, eight hundred forty-six thousand, six hundred forty-nine".