106506438 has 32 divisors (see below), whose sum is σ = 229703040. Its totient is φ = 32811840.

The previous prime is 106506437. The next prime is 106506451. The reversal of 106506438 is 834605601.

It is a super-2 number, since 2×106506438² = 22687242670895688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106506399 and 106506408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106506437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6720 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (7178220).

Almost surely, 2^106506438 is an apocalyptic number.

106506438 is an abundant number, since it is smaller than the sum of its proper divisors (123196602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106506438 is a wasteful number, since it uses less digits than its factorization.

106506438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22852.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 106506438 is about 10320.1956376805. The cubic root of 106506438 is about 474.0148564839.

The spelling of 106506438 in words is "one hundred six million, five hundred six thousand, four hundred thirty-eight".