243820486 has 16 divisors (see below), whose sum is σ = 450130464. Its totient is φ = 96456384.

The previous prime is 243820463. The next prime is 243820513. The reversal of 243820486 is 684028342.

243820486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669655 + ... + 670018.

It is an arithmetic number, because the mean of its divisors is an integer number (28133154).

Almost surely, 2^243820486 is an apocalyptic number.

243820486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

243820486 is a deficient number, since it is larger than the sum of its proper divisors (206309978).

243820486 is a wasteful number, since it uses less digits than its factorization.

243820486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339695.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 243820486 is about 15614.7521914374. The cubic root of 243820486 is about 624.7266952246.

The spelling of 243820486 in words is "two hundred forty-three million, eight hundred twenty thousand, four hundred eighty-six".