101849769 has 48 divisors (see below), whose sum is σ = 175893120. Its totient is φ = 55560960.

The previous prime is 101849743. The next prime is 101849779. The reversal of 101849769 is 967948101.

It is a happy number.

It is not a de Polignac number, because 101849769 - 2¹¹ = 101847721 is a prime.

It is a super-2 number, since 2×101849769² = 20746750890706722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101849779) 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 in 47 ways as a sum of consecutive naturals, for example, 195229 + ... + 195749.

It is an arithmetic number, because the mean of its divisors is an integer number (3664440).

Almost surely, 2^101849769 is an apocalyptic number.

It is an amenable number.

101849769 is a deficient number, since it is larger than the sum of its proper divisors (74043351).

101849769 is a wasteful number, since it uses less digits than its factorization.

101849769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 101849769 is about 10092.0646549653. The cubic root of 101849769 is about 467.0033716878.

The spelling of 101849769 in words is "one hundred one million, eight hundred forty-nine thousand, seven hundred sixty-nine".