398106151 has 2 divisors, whose sum is σ = 398106152. Its totient is φ = 398106150.

The previous prime is 398106133. The next prime is 398106173. The reversal of 398106151 is 151601893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398106151 - 2¹⁵ = 398073383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398106131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199053075 + 199053076.

It is an arithmetic number, because the mean of its divisors is an integer number (199053076).

Almost surely, 2^398106151 is an apocalyptic number.

398106151 is a deficient number, since it is larger than the sum of its proper divisors (1).

398106151 is an equidigital number, since it uses as much as digits as its factorization.

398106151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 398106151 is about 19952.5976003126. The cubic root of 398106151 is about 735.6416264652.

The spelling of 398106151 in words is "three hundred ninety-eight million, one hundred six thousand, one hundred fifty-one".