106981928 has 24 divisors (see below), whose sum is σ = 207759630. Its totient is φ = 51643200.

The previous prime is 106981921. The next prime is 106981933. The reversal of 106981928 is 829189601.

It can be written as a sum of positive squares in 3 ways, for example, as 106956964 + 24964 = 10342^2 + 158^2 .

It is a super-2 number, since 2×106981928² = 22890265837194368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (106981921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223 + ... + 14678.

Almost surely, 2^106981928 is an apocalyptic number.

It is an amenable number.

106981928 is a deficient number, since it is larger than the sum of its proper divisors (100777702).

106981928 is a wasteful number, since it uses less digits than its factorization.

106981928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15965 (or 15932 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 106981928 is about 10343.2068528092. The cubic root of 106981928 is about 474.7192105947.

The spelling of 106981928 in words is "one hundred six million, nine hundred eighty-one thousand, nine hundred twenty-eight".