162928397 has 2 divisors, whose sum is σ = 162928398. Its totient is φ = 162928396.

The previous prime is 162928369. The next prime is 162928399. The reversal of 162928397 is 793829261.

It is a happy number.

162928397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161442436 + 1485961 = 12706^2 + 1219^2 .

It is an emirp because it is prime and its reverse (793829261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162928397 - 2¹² = 162924301 is a prime.

Together with 162928399, 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 (162928399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81464198 + 81464199.

It is an arithmetic number, because the mean of its divisors is an integer number (81464199).

Almost surely, 2^162928397 is an apocalyptic number.

It is an amenable number.

162928397 is a deficient number, since it is larger than the sum of its proper divisors (1).

162928397 is an equidigital number, since it uses as much as digits as its factorization.

162928397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 162928397 is about 12764.3408368783. The cubic root of 162928397 is about 546.1755586305.

The spelling of 162928397 in words is "one hundred sixty-two million, nine hundred twenty-eight thousand, three hundred ninety-seven".