106649426 has 16 divisors (see below), whose sum is σ = 172476864. Its totient is φ = 49166544.

The previous prime is 106649401. The next prime is 106649441. The reversal of 106649426 is 624946601.

It is a happy number.

It is a super-2 number, since 2×106649426² = 22748200132258952, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 106649426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28475 + ... + 32001.

It is an arithmetic number, because the mean of its divisors is an integer number (10779804).

Almost surely, 2^106649426 is an apocalyptic number.

106649426 is a deficient number, since it is larger than the sum of its proper divisors (65827438).

106649426 is a wasteful number, since it uses less digits than its factorization.

106649426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 106649426 is about 10327.1208959710. The cubic root of 106649426 is about 474.2268878837.

The spelling of 106649426 in words is "one hundred six million, six hundred forty-nine thousand, four hundred twenty-six".