812458038 has 32 divisors (see below), whose sum is σ = 1877921280. Its totient is φ = 229521600.

The previous prime is 812458021. The next prime is 812458043. The reversal of 812458038 is 830854218.

It is a junction number, because it is equal to n+sod(n) for n = 812457987 and 812458005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104938 + ... + 112413.

It is an arithmetic number, because the mean of its divisors is an integer number (58685040).

Almost surely, 2^812458038 is an apocalyptic number.

812458038 is an abundant number, since it is smaller than the sum of its proper divisors (1065463242).

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

812458038 is a wasteful number, since it uses less digits than its factorization.

812458038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217452.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 812458038 is about 28503.6495558025. The cubic root of 812458038 is about 933.1117249654. Note that the first 3 decimals are identical.

The spelling of 812458038 in words is "eight hundred twelve million, four hundred fifty-eight thousand, thirty-eight".