658438652 has 6 divisors (see below), whose sum is σ = 1152267648. Its totient is φ = 329219324.

The previous prime is 658438633. The next prime is 658438699. The reversal of 658438652 is 256834856.

It is a junction number, because it is equal to n+sod(n) for n = 658438597 and 658438606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82304828 + ... + 82304835.

It is an arithmetic number, because the mean of its divisors is an integer number (192044608).

Almost surely, 2^658438652 is an apocalyptic number.

It is an amenable number.

658438652 is a deficient number, since it is larger than the sum of its proper divisors (493828996).

658438652 is a wasteful number, since it uses less digits than its factorization.

658438652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164609667 (or 164609665 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 658438652 is about 25660.0594699233. The cubic root of 658438652 is about 869.9716606790.

The spelling of 658438652 in words is "six hundred fifty-eight million, four hundred thirty-eight thousand, six hundred fifty-two".