823340934 has 24 divisors (see below), whose sum is σ = 1921129392. Its totient is φ = 253335600.

The previous prime is 823340933. The next prime is 823340941. The reversal of 823340934 is 439043328.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823340933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1759042 + ... + 1759509.

It is an arithmetic number, because the mean of its divisors is an integer number (80047058).

Almost surely, 2^823340934 is an apocalyptic number.

823340934 is an abundant number, since it is smaller than the sum of its proper divisors (1097788458).

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

823340934 is a wasteful number, since it uses less digits than its factorization.

823340934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518572 (or 3518569 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 823340934 is about 28693.9180663778. The cubic root of 823340934 is about 937.2596111127.

The spelling of 823340934 in words is "eight hundred twenty-three million, three hundred forty thousand, nine hundred thirty-four".