387898601 has 2 divisors, whose sum is σ = 387898602. Its totient is φ = 387898600.

The previous prime is 387898597. The next prime is 387898607. The reversal of 387898601 is 106898783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315240025 + 72658576 = 17755^2 + 8524^2 .

It is a cyclic number.

It is not a de Polignac number, because 387898601 - 2² = 387898597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387898601.

It is not a weakly prime, because it can be changed into another prime (387898607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193949300 + 193949301.

It is an arithmetic number, because the mean of its divisors is an integer number (193949301).

Almost surely, 2^387898601 is an apocalyptic number.

It is an amenable number.

387898601 is a deficient number, since it is larger than the sum of its proper divisors (1).

387898601 is an equidigital number, since it uses as much as digits as its factorization.

387898601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 387898601 is about 19695.1415582625. The cubic root of 387898601 is about 729.2997607492.

The spelling of 387898601 in words is "three hundred eighty-seven million, eight hundred ninety-eight thousand, six hundred one".