106491269 has 4 divisors (see below), whose sum is σ = 107545740. Its totient is φ = 105436800.

The previous prime is 106491251. The next prime is 106491271. The reversal of 106491269 is 962194601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80102500 + 26388769 = 8950^2 + 5137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106491269 is a prime.

It is a super-2 number, since 2×106491269² = 22680780746460722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106491569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527084 + ... + 527285.

It is an arithmetic number, because the mean of its divisors is an integer number (26886435).

Almost surely, 2^106491269 is an apocalyptic number.

It is an amenable number.

106491269 is a deficient number, since it is larger than the sum of its proper divisors (1054471).

106491269 is a wasteful number, since it uses less digits than its factorization.

106491269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054470.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 106491269 is about 10319.4606932727. The cubic root of 106491269 is about 473.9923518264.

The spelling of 106491269 in words is "one hundred six million, four hundred ninety-one thousand, two hundred sixty-nine".