10969890 has 32 divisors (see below), whose sum is σ = 26467776. Its totient is φ = 2909760.

The previous prime is 10969883. The next prime is 10969909. The reversal of 10969890 is 9896901.

It is a super-2 number, since 2×10969890² = 240676973224200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5464 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (827118).

Almost surely, 2^10969890 is an apocalyptic number.

10969890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10969890 is an abundant number, since it is smaller than the sum of its proper divisors (15497886).

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

10969890 is a wasteful number, since it uses less digits than its factorization.

10969890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 10969890 is about 3312.0824265105. The cubic root of 10969890 is about 222.1949022896.

The spelling of 10969890 in words is "ten million, nine hundred sixty-nine thousand, eight hundred ninety".