106640340 has 24 divisors (see below), whose sum is σ = 298593120. Its totient is φ = 28437408.

The previous prime is 106640323. The next prime is 106640353. The reversal of 106640340 is 43046601.

It is a super-2 number, since 2×106640340² = 22744324230631200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106640340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888610 + ... + 888729.

It is an arithmetic number, because the mean of its divisors is an integer number (12441380).

Almost surely, 2^106640340 is an apocalyptic number.

106640340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106640340 is an abundant number, since it is smaller than the sum of its proper divisors (191952780).

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

106640340 is a wasteful number, since it uses less digits than its factorization.

106640340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777351 (or 1777349 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 106640340 is about 10326.6809769645. The cubic root of 106640340 is about 474.2134202448.

Adding to 106640340 its reverse (43046601), we get a palindrome (149686941).

The spelling of 106640340 in words is "one hundred six million, six hundred forty thousand, three hundred forty".