483781815 has 120 divisors (see below), whose sum is σ = 986215824. Its totient is φ = 224985600.

The previous prime is 483781811. The next prime is 483781817. The reversal of 483781815 is 518187384.

It is a happy number.

It is not a de Polignac number, because 483781815 - 2² = 483781811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (483781811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4281199 + ... + 4281311.

Almost surely, 2^483781815 is an apocalyptic number.

483781815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

483781815 is an abundant number, since it is smaller than the sum of its proper divisors (502434009).

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

483781815 is a wasteful number, since it uses less digits than its factorization.

483781815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 163 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 483781815 is about 21995.0406910285. The cubic root of 483781815 is about 785.0244437734.

The spelling of 483781815 in words is "four hundred eighty-three million, seven hundred eighty-one thousand, eight hundred fifteen".