106438834 has 4 divisors (see below), whose sum is σ = 159658254. Its totient is φ = 53219416.

The previous prime is 106438831. The next prime is 106438867. The reversal of 106438834 is 438834601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438834601 = 199 ⋅2205199.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 30835809 = 8695^2 + 5553^2 .

It is a super-2 number, since 2×106438834² = 22658450766559112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106438793 and 106438802.

It is not an unprimeable number, because it can be changed into a prime (106438831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26609707 + ... + 26609710.

Almost surely, 2^106438834 is an apocalyptic number.

106438834 is a deficient number, since it is larger than the sum of its proper divisors (53219420).

106438834 is an equidigital number, since it uses as much as digits as its factorization.

106438834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53219419.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 106438834 is about 10316.9197922636. The cubic root of 106438834 is about 473.9145430396.

The spelling of 106438834 in words is "one hundred six million, four hundred thirty-eight thousand, eight hundred thirty-four".