384972061 has 2 divisors, whose sum is σ = 384972062. Its totient is φ = 384972060.

The previous prime is 384972059. The next prime is 384972121. The reversal of 384972061 is 160279483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241211961 + 143760100 = 15531^2 + 11990^2 .

It is a cyclic number.

It is not a de Polignac number, because 384972061 - 2¹ = 384972059 is a prime.

Together with 384972059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384972461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192486030 + 192486031.

It is an arithmetic number, because the mean of its divisors is an integer number (192486031).

Almost surely, 2^384972061 is an apocalyptic number.

It is an amenable number.

384972061 is a deficient number, since it is larger than the sum of its proper divisors (1).

384972061 is an equidigital number, since it uses as much as digits as its factorization.

384972061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 384972061 is about 19620.7049057877. The cubic root of 384972061 is about 727.4610370287.

The spelling of 384972061 in words is "three hundred eighty-four million, nine hundred seventy-two thousand, sixty-one".