106849399 has 2 divisors, whose sum is σ = 106849400. Its totient is φ = 106849398.

The previous prime is 106849397. The next prime is 106849409. The reversal of 106849399 is 993948601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106849399 - 2¹ = 106849397 is a prime.

It is a super-2 number, since 2×106849399² = 22833588133322402, which contains 22 as substring.

Together with 106849397, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106849397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53424699 + 53424700.

It is an arithmetic number, because the mean of its divisors is an integer number (53424700).

Almost surely, 2^106849399 is an apocalyptic number.

106849399 is a deficient number, since it is larger than the sum of its proper divisors (1).

106849399 is an equidigital number, since it uses as much as digits as its factorization.

106849399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 106849399 is about 10336.7982954104. The cubic root of 106849399 is about 474.5231025211.

The spelling of 106849399 in words is "one hundred six million, eight hundred forty-nine thousand, three hundred ninety-nine".