10197090 has 40 divisors (see below), whose sum is σ = 27421020. Its totient is φ = 2719008.

The previous prime is 10197079. The next prime is 10197097. The reversal of 10197090 is 9079101.

It can be written as a sum of positive squares in 2 ways, for example, as 9199089 + 998001 = 3033^2 + 999^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10197097) 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 19 ways as a sum of consecutive naturals, for example, 5485 + ... + 7104.

Almost surely, 2^10197090 is an apocalyptic number.

10197090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10197090 is an abundant number, since it is smaller than the sum of its proper divisors (17223930).

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

10197090 is a wasteful number, since it uses less digits than its factorization.

10197090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12599 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 10197090 is about 3193.2882738644. The cubic root of 10197090 is about 216.8496626242.

The spelling of 10197090 in words is "ten million, one hundred ninety-seven thousand, ninety".