398073583 has 2 divisors, whose sum is σ = 398073584. Its totient is φ = 398073582.

The previous prime is 398073539. The next prime is 398073589. The reversal of 398073583 is 385370893.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398073583 - 2²¹ = 395976431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398073589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199036791 + 199036792.

It is an arithmetic number, because the mean of its divisors is an integer number (199036792).

Almost surely, 2^398073583 is an apocalyptic number.

398073583 is a deficient number, since it is larger than the sum of its proper divisors (1).

398073583 is an equidigital number, since it uses as much as digits as its factorization.

398073583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 398073583 is about 19951.7814492842. The cubic root of 398073583 is about 735.6215656265.

The spelling of 398073583 in words is "three hundred ninety-eight million, seventy-three thousand, five hundred eighty-three".