385747597 has 2 divisors, whose sum is σ = 385747598. Its totient is φ = 385747596.

The previous prime is 385747567. The next prime is 385747603. The reversal of 385747597 is 795747583.

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., 247779081 + 137968516 = 15741^2 + 11746^2 .

It is a cyclic number.

It is not a de Polignac number, because 385747597 - 2¹⁵ = 385714829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385747517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192873798 + 192873799.

It is an arithmetic number, because the mean of its divisors is an integer number (192873799).

Almost surely, 2^385747597 is an apocalyptic number.

It is an amenable number.

385747597 is a deficient number, since it is larger than the sum of its proper divisors (1).

385747597 is an equidigital number, since it uses as much as digits as its factorization.

385747597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 55.

The square root of 385747597 is about 19640.4581667536. The cubic root of 385747597 is about 727.9492056145.

It can be divided in two parts, 3 and 85747597, that added together give a square (85747600 = 9260²).

The spelling of 385747597 in words is "three hundred eighty-five million, seven hundred forty-seven thousand, five hundred ninety-seven".