106347784 has 16 divisors (see below), whose sum is σ = 211131900. Its totient is φ = 50045952.

The previous prime is 106347751. The next prime is 106347797. The reversal of 106347784 is 487743601.

It can be written as a sum of positive squares in 2 ways, for example, as 86899684 + 19448100 = 9322^2 + 4410^2 .

It is a super-2 number, since 2×106347784² = 22619702323421312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390849 + ... + 391120.

Almost surely, 2^106347784 is an apocalyptic number.

It is an amenable number.

106347784 is a deficient number, since it is larger than the sum of its proper divisors (104784116).

106347784 is a wasteful number, since it uses less digits than its factorization.

106347784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781992 (or 781988 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 106347784 is about 10312.5061939375. The cubic root of 106347784 is about 473.7793723594.

The spelling of 106347784 in words is "one hundred six million, three hundred forty-seven thousand, seven hundred eighty-four".