523867740 has 48 divisors (see below), whose sum is σ = 1600179840. Its totient is φ = 126998080.

The previous prime is 523867727. The next prime is 523867763. The reversal of 523867740 is 47768325.

It is a junction number, because it is equal to n+sod(n) for n = 523867692 and 523867701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396210 + ... + 397529.

It is an arithmetic number, because the mean of its divisors is an integer number (33337080).

Almost surely, 2^523867740 is an apocalyptic number.

It is an amenable number.

523867740 is an abundant number, since it is smaller than the sum of its proper divisors (1076312100).

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

523867740 is a wasteful number, since it uses less digits than its factorization.

523867740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793762 (or 793760 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 523867740 is about 22888.1571997398. The cubic root of 523867740 is about 806.1339625084.

The spelling of 523867740 in words is "five hundred twenty-three million, eight hundred sixty-seven thousand, seven hundred forty".