106822989 has 48 divisors (see below), whose sum is σ = 198287040. Its totient is φ = 56337120.

The previous prime is 106822939. The next prime is 106823011. The reversal of 106822989 is 989228601.

It is not a de Polignac number, because 106822989 - 2⁷ = 106822861 is a prime.

It is a super-2 number, since 2×106822989² = 22822301957788242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106822939) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14094 + ... + 20304.

It is an arithmetic number, because the mean of its divisors is an integer number (4130980).

Almost surely, 2^106822989 is an apocalyptic number.

It is an amenable number.

106822989 is a deficient number, since it is larger than the sum of its proper divisors (91464051).

106822989 is a wasteful number, since it uses less digits than its factorization.

106822989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247 (or 6234 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 106822989 is about 10335.5207415979. The cubic root of 106822989 is about 474.4840032907.

The spelling of 106822989 in words is "one hundred six million, eight hundred twenty-two thousand, nine hundred eighty-nine".