10920890 has 8 divisors (see below), whose sum is σ = 19657620. Its totient is φ = 4368352.

The previous prime is 10920887. The next prime is 10920901. The reversal of 10920890 is 9802901.

It can be written as a sum of positive squares in 2 ways, for example, as 9878449 + 1042441 = 3143^2 + 1021^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 546035 + ... + 546054.

Almost surely, 2^10920890 is an apocalyptic number.

10920890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10920890 is a deficient number, since it is larger than the sum of its proper divisors (8736730).

10920890 is a wasteful number, since it uses less digits than its factorization.

10920890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092096.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 10920890 is about 3304.6769887540. The cubic root of 10920890 is about 221.8635771412.

The spelling of 10920890 in words is "ten million, nine hundred twenty thousand, eight hundred ninety".