106450399 has 4 divisors (see below), whose sum is σ = 116127720. Its totient is φ = 96773080.

The previous prime is 106450313. The next prime is 106450403. The reversal of 106450399 is 993054601.

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

It is a cyclic number.

It is not a de Polignac number, because 106450399 - 2¹³ = 106442207 is a prime.

It is a super-2 number, since 2×106450399² = 22663374894518402, 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 (106450699) 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, 4838644 + ... + 4838665.

It is an arithmetic number, because the mean of its divisors is an integer number (29031930).

Almost surely, 2^106450399 is an apocalyptic number.

106450399 is a deficient number, since it is larger than the sum of its proper divisors (9677321).

106450399 is an equidigital number, since it uses as much as digits as its factorization.

106450399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677320.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 106450399 is about 10317.4802640955. The cubic root of 106450399 is about 473.9317066474.

The spelling of 106450399 in words is "one hundred six million, four hundred fifty thousand, three hundred ninety-nine".