823338402 has 8 divisors (see below), whose sum is σ = 1646676816. Its totient is φ = 274446132.

The previous prime is 823338401. The next prime is 823338427. The reversal of 823338402 is 204833328.

It is a sphenic number, since it is the product of 3 distinct primes.

823338402 is an admirable number.

It is a super-2 number, since 2×823338402² = 1355772248415827208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (823338401) 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, 68611528 + ... + 68611539.

It is an arithmetic number, because the mean of its divisors is an integer number (205834602).

Almost surely, 2^823338402 is an apocalyptic number.

823338402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

823338402 is a wasteful number, since it uses less digits than its factorization.

823338402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137223072.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 823338402 is about 28693.8739454958. The cubic root of 823338402 is about 937.2586503346.

The spelling of 823338402 in words is "eight hundred twenty-three million, three hundred thirty-eight thousand, four hundred two".