101849640 has 32 divisors (see below), whose sum is σ = 305549280. Its totient is φ = 27159872.

The previous prime is 101849639. The next prime is 101849743. The reversal of 101849640 is 46948101.

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, 424254 + ... + 424493.

It is an arithmetic number, because the mean of its divisors is an integer number (9548415).

Almost surely, 2^101849640 is an apocalyptic number.

101849640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101849640 is an abundant number, since it is smaller than the sum of its proper divisors (203699640).

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

101849640 is a wasteful number, since it uses less digits than its factorization.

101849640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848761 (or 848757 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 101849640 is about 10092.0582638033. The cubic root of 101849640 is about 467.0031745234.

The spelling of 101849640 in words is "one hundred one million, eight hundred forty-nine thousand, six hundred forty".