10197915 has 64 divisors (see below), whose sum is σ = 20815872. Its totient is φ = 4147200.

The previous prime is 10197907. The next prime is 10197917. The reversal of 10197915 is 51979101.

It is a happy number.

10197915 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 10197915 - 2³ = 10197907 is a prime.

10197915 is an undulating number in base 16.

It is not an unprimeable number, because it can be changed into a prime (10197917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42195 + ... + 42435.

It is an arithmetic number, because the mean of its divisors is an integer number (325248).

Almost surely, 2^10197915 is an apocalyptic number.

10197915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10197915 is an abundant number, since it is smaller than the sum of its proper divisors (10617957).

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

10197915 is a wasteful number, since it uses less digits than its factorization.

10197915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 10197915 is about 3193.4174484398. The cubic root of 10197915 is about 216.8555105719.

The spelling of 10197915 in words is "ten million, one hundred ninety-seven thousand, nine hundred fifteen".