813420348 has 48 divisors (see below), whose sum is σ = 2062774560. Its totient is φ = 247981824.

The previous prime is 813420347. The next prime is 813420383. The reversal of 813420348 is 843024318.

It is a super-2 number, since 2×813420348² = 1323305325080882208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813420347) 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, 6915 + ... + 40922.

It is an arithmetic number, because the mean of its divisors is an integer number (42974470).

Almost surely, 2^813420348 is an apocalyptic number.

It is an amenable number.

813420348 is an abundant number, since it is smaller than the sum of its proper divisors (1249354212).

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

813420348 is a wasteful number, since it uses less digits than its factorization.

813420348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47966 (or 47964 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 813420348 is about 28520.5250302304. The cubic root of 813420348 is about 933.4799854025.

It can be divided in two parts, 8134 and 20348, that added together give a palindrome (28482).

The spelling of 813420348 in words is "eight hundred thirteen million, four hundred twenty thousand, three hundred forty-eight".