106430591 has 8 divisors (see below), whose sum is σ = 117591264. Its totient is φ = 95814400.

The previous prime is 106430581. The next prime is 106430593. The reversal of 106430591 is 195034601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106430591 - 2²⁶ = 39321727 is a prime.

It is a super-2 number, since 2×106430591² = 22654941401218562, 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 (106430593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135710 + ... + 136491.

It is an arithmetic number, because the mean of its divisors is an integer number (14698908).

Almost surely, 2^106430591 is an apocalyptic number.

106430591 is a deficient number, since it is larger than the sum of its proper divisors (11160673).

106430591 is a wasteful number, since it uses less digits than its factorization.

106430591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272241.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 106430591 is about 10316.5202951383. The cubic root of 106430591 is about 473.9023088507.

The spelling of 106430591 in words is "one hundred six million, four hundred thirty thousand, five hundred ninety-one".