106849405 has 24 divisors (see below), whose sum is σ = 143354880. Its totient is φ = 76340160.

The previous prime is 106849399. The next prime is 106849409. The reversal of 106849405 is 504948601.

It is a happy number.

It is not a de Polignac number, because 106849405 - 2³ = 106849397 is a prime.

It is a super-3 number, since 3×106849405³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106849409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24156 + ... + 28234.

It is an arithmetic number, because the mean of its divisors is an integer number (5973120).

Almost surely, 2^106849405 is an apocalyptic number.

It is an amenable number.

106849405 is a deficient number, since it is larger than the sum of its proper divisors (36505475).

106849405 is a wasteful number, since it uses less digits than its factorization.

106849405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4128 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 106849405 is about 10336.7985856357. The cubic root of 106849405 is about 474.5231114032.

The spelling of 106849405 in words is "one hundred six million, eight hundred forty-nine thousand, four hundred five".