398249058 has 32 divisors (see below), whose sum is σ = 816685056. Its totient is φ = 129397968.

The previous prime is 398249057. The next prime is 398249069. The reversal of 398249058 is 850942893.

It is a junction number, because it is equal to n+sod(n) for n = 398248998 and 398249016.

It is not an unprimeable number, because it can be changed into a prime (398249057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155335 + ... + 157877.

It is an arithmetic number, because the mean of its divisors is an integer number (25521408).

Almost surely, 2^398249058 is an apocalyptic number.

398249058 is an abundant number, since it is smaller than the sum of its proper divisors (418435998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398249058 is a wasteful number, since it uses less digits than its factorization.

398249058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 398249058 is about 19956.1784417759. The cubic root of 398249058 is about 735.7296396420.

The spelling of 398249058 in words is "three hundred ninety-eight million, two hundred forty-nine thousand, fifty-eight".