3243785490 has 48 divisors (see below), whose sum is σ = 9200558016. Its totient is φ = 786372000.

The previous prime is 3243785483. The next prime is 3243785497. The reversal of 3243785490 is 945873423.

3243785490 is a `hidden beast` number, since 32 + 4 + 3 + 78 + 549 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3243785483) and next prime (3243785497).

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

It is not an unprimeable number, because it can be changed into a prime (3243785497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1637286 + ... + 1639265.

It is an arithmetic number, because the mean of its divisors is an integer number (191678292).

Almost surely, 2^3243785490 is an apocalyptic number.

3243785490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3243785490 is an abundant number, since it is smaller than the sum of its proper divisors (5956772526).

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

3243785490 is a wasteful number, since it uses less digits than its factorization.

3243785490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276575 (or 3276572 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 3243785490 is about 56954.2403162398. The cubic root of 3243785490 is about 1480.3033055633.

The spelling of 3243785490 in words is "three billion, two hundred forty-three million, seven hundred eighty-five thousand, four hundred ninety".