10197864 has 24 divisors (see below), whose sum is σ = 27619410. Its totient is φ = 3399264.

The previous prime is 10197857. The next prime is 10197893. The reversal of 10197864 is 46879101.

It can be written as a sum of positive squares in only one way, i.e., 7064964 + 3132900 = 2658^2 + 1770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70747 + ... + 70890.

Almost surely, 2^10197864 is an apocalyptic number.

It is an amenable number.

10197864 is an abundant number, since it is smaller than the sum of its proper divisors (17421546).

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

10197864 is a wasteful number, since it uses less digits than its factorization.

10197864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141649 (or 141642 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 10197864 is about 3193.4094632540. The cubic root of 10197864 is about 216.8551490716.

The spelling of 10197864 in words is "ten million, one hundred ninety-seven thousand, eight hundred sixty-four".