106303491 has 18 divisors (see below), whose sum is σ = 178619532. Its totient is φ = 60744600.

The previous prime is 106303489. The next prime is 106303501. The reversal of 106303491 is 194303601.

It is not a de Polignac number, because 106303491 - 2¹ = 106303489 is a prime.

It is a super-2 number, since 2×106303491² = 22600864397574162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106303441) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 120085 + ... + 120966.

Almost surely, 2^106303491 is an apocalyptic number.

106303491 is a deficient number, since it is larger than the sum of its proper divisors (72316041).

106303491 is a wasteful number, since it uses less digits than its factorization.

106303491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241071 (or 241061 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 106303491 is about 10310.3584321788. The cubic root of 106303491 is about 473.7135881215.

The spelling of 106303491 in words is "one hundred six million, three hundred three thousand, four hundred ninety-one".