10197890 has 16 divisors (see below), whose sum is σ = 18419832. Its totient is φ = 4065024.

The previous prime is 10197857. The next prime is 10197893. The reversal of 10197890 is 9879101.

10197890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7823209 + 2374681 = 2797^2 + 1541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10197890.

It is not an unprimeable number, because it can be changed into a prime (10197893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562 + ... + 4778.

Almost surely, 2^10197890 is an apocalyptic number.

10197890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10197890 is a deficient number, since it is larger than the sum of its proper divisors (8221942).

10197890 is a wasteful number, since it uses less digits than its factorization.

10197890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 10197890 is about 3193.4135341355. The cubic root of 10197890 is about 216.8553333660.

The spelling of 10197890 in words is "ten million, one hundred ninety-seven thousand, eight hundred ninety".