106862489 has 2 divisors, whose sum is σ = 106862490. Its totient is φ = 106862488.

The previous prime is 106862473. The next prime is 106862501. The reversal of 106862489 is 984268601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79352464 + 27510025 = 8908^2 + 5245^2 .

It is a cyclic number.

It is not a de Polignac number, because 106862489 - 2⁴ = 106862473 is a prime.

It is a super-2 number, since 2×106862489² = 22839183110550242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106862429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53431244 + 53431245.

It is an arithmetic number, because the mean of its divisors is an integer number (53431245).

Almost surely, 2^106862489 is an apocalyptic number.

It is an amenable number.

106862489 is a deficient number, since it is larger than the sum of its proper divisors (1).

106862489 is an equidigital number, since it uses as much as digits as its factorization.

106862489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 106862489 is about 10337.4314508005. The cubic root of 106862489 is about 474.5424794942.

Subtracting from 106862489 its product of nonzero digits (165888), we obtain a palindrome (106696601).

The spelling of 106862489 in words is "one hundred six million, eight hundred sixty-two thousand, four hundred eighty-nine".