398358743 has 2 divisors, whose sum is σ = 398358744. Its totient is φ = 398358742.

The previous prime is 398358713. The next prime is 398358757. The reversal of 398358743 is 347853893.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398358743 - 2⁶ = 398358679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398358691 and 398358700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398358713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199179371 + 199179372.

It is an arithmetic number, because the mean of its divisors is an integer number (199179372).

Almost surely, 2^398358743 is an apocalyptic number.

398358743 is a deficient number, since it is larger than the sum of its proper divisors (1).

398358743 is an equidigital number, since it uses as much as digits as its factorization.

398358743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The square root of 398358743 is about 19958.9263989825. The cubic root of 398358743 is about 735.7971778625.

It can be divided in two parts, 3983 and 58743, that added together give a palindrome (62726).

The spelling of 398358743 in words is "three hundred ninety-eight million, three hundred fifty-eight thousand, seven hundred forty-three".