106644290 has 16 divisors (see below), whose sum is σ = 192119040. Its totient is φ = 42622320.

The previous prime is 106644289. The next prime is 106644301. The reversal of 106644290 is 92446601.

It is a happy number.

It is a super-2 number, since 2×106644290² = 22746009179208200, which contains 22 as substring.

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, 10685 + ... + 18095.

It is an arithmetic number, because the mean of its divisors is an integer number (12007440).

Almost surely, 2^106644290 is an apocalyptic number.

106644290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106644290 is a deficient number, since it is larger than the sum of its proper divisors (85474750).

106644290 is a wasteful number, since it uses less digits than its factorization.

106644290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8857.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 106644290 is about 10326.8722273494. The cubic root of 106644290 is about 474.2192751895.

The spelling of 106644290 in words is "one hundred six million, six hundred forty-four thousand, two hundred ninety".