106399863 has 12 divisors (see below), whose sum is σ = 160371120. Its totient is φ = 67849056.

The previous prime is 106399861. The next prime is 106399871. The reversal of 106399863 is 368993601.

106399863 is a `hidden beast` number, since 1 + 0 + 639 + 9 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 106399863 - 2¹ = 106399861 is a prime.

It is a super-2 number, since 2×106399863² = 22641861692837538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106399861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256798 + ... + 257211.

It is an arithmetic number, because the mean of its divisors is an integer number (13364260).

Almost surely, 2^106399863 is an apocalyptic number.

106399863 is a deficient number, since it is larger than the sum of its proper divisors (53971257).

106399863 is a wasteful number, since it uses less digits than its factorization.

106399863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514038 (or 514035 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 106399863 is about 10315.0309257898. The cubic root of 106399863 is about 473.8566970528.

It can be divided in two parts, 10639 and 9863, that added together give a palindrome (20502).

The spelling of 106399863 in words is "one hundred six million, three hundred ninety-nine thousand, eight hundred sixty-three".