10206890 has 8 divisors (see below), whose sum is σ = 18372420. Its totient is φ = 4082752.

The previous prime is 10206887. The next prime is 10206893. The reversal of 10206890 is 9860201.

It is an interprime number because it is at equal distance from previous prime (10206887) and next prime (10206893).

It can be written as a sum of positive squares in 2 ways, for example, as 9102289 + 1104601 = 3017^2 + 1051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10206893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510335 + ... + 510354.

Almost surely, 2^10206890 is an apocalyptic number.

10206890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10206890 is a deficient number, since it is larger than the sum of its proper divisors (8165530).

10206890 is a wasteful number, since it uses less digits than its factorization.

10206890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020696.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10206890 is about 3194.8223737792. The cubic root of 10206890 is about 216.9191087854.

The spelling of 10206890 in words is "ten million, two hundred six thousand, eight hundred ninety".