106939648 has 18 divisors (see below), whose sum is σ = 213462074. Its totient is φ = 53469696.

The previous prime is 106939643. The next prime is 106939661. The reversal of 106939648 is 846939601.

It can be written as a sum of positive squares in only one way, i.e., 94322944 + 12616704 = 9712^2 + 3552^2 .

It is a super-2 number, since 2×106939648² = 22872176628727808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106939598 and 106939607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106939643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208611 + ... + 209122.

Almost surely, 2^106939648 is an apocalyptic number.

It is an amenable number.

106939648 is a deficient number, since it is larger than the sum of its proper divisors (106522426).

106939648 is an frugal number, since it uses more digits than its factorization.

106939648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417749 (or 417735 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 106939648 is about 10341.1627972874. The cubic root of 106939648 is about 474.6566649129.

The spelling of 106939648 in words is "one hundred six million, nine hundred thirty-nine thousand, six hundred forty-eight".