398046459 has 4 divisors (see below), whose sum is σ = 530728616. Its totient is φ = 265364304.

The previous prime is 398046437. The next prime is 398046463. The reversal of 398046459 is 954640893.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 398046459 - 2⁵ = 398046427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398046559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66341074 + ... + 66341079.

It is an arithmetic number, because the mean of its divisors is an integer number (132682154).

Almost surely, 2^398046459 is an apocalyptic number.

398046459 is a deficient number, since it is larger than the sum of its proper divisors (132682157).

398046459 is a wasteful number, since it uses less digits than its factorization.

398046459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132682156.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 398046459 is about 19951.1016989037. The cubic root of 398046459 is about 735.6048572813.

The spelling of 398046459 in words is "three hundred ninety-eight million, forty-six thousand, four hundred fifty-nine".