105928399 has 2 divisors, whose sum is σ = 105928400. Its totient is φ = 105928398.

The previous prime is 105928369. The next prime is 105928451. The reversal of 105928399 is 993829501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105928399 - 2⁵ = 105928367 is a prime.

It is a super-2 number, since 2×105928399² = 22441651429406402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105928349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52964199 + 52964200.

It is an arithmetic number, because the mean of its divisors is an integer number (52964200).

Almost surely, 2^105928399 is an apocalyptic number.

105928399 is a deficient number, since it is larger than the sum of its proper divisors (1).

105928399 is an equidigital number, since it uses as much as digits as its factorization.

105928399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 105928399 is about 10292.1523016325. The cubic root of 105928399 is about 473.1557651851.

The spelling of 105928399 in words is "one hundred five million, nine hundred twenty-eight thousand, three hundred ninety-nine".