398464852 has 12 divisors (see below), whose sum is σ = 697888576. Its totient is φ = 199068120.

The previous prime is 398464841. The next prime is 398464867. The reversal of 398464852 is 258464893.

It is a junction number, because it is equal to n+sod(n) for n = 398464796 and 398464805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35538 + ... + 45385.

Almost surely, 2^398464852 is an apocalyptic number.

It is an amenable number.

398464852 is a deficient number, since it is larger than the sum of its proper divisors (299423724).

398464852 is a wasteful number, since it uses less digits than its factorization.

398464852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82158 (or 82156 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 398464852 is about 19961.5844060535. The cubic root of 398464852 is about 735.8625023747.

The spelling of 398464852 in words is "three hundred ninety-eight million, four hundred sixty-four thousand, eight hundred fifty-two".