3785324280 has 64 divisors (see below), whose sum is σ = 11360563200. Its totient is φ = 1009011840.

The previous prime is 3785324273. The next prime is 3785324287. The reversal of 3785324280 is 824235873.

It is an interprime number because it is at equal distance from previous prime (3785324273) and next prime (3785324287).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785324287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398385 + ... + 407775.

It is an arithmetic number, because the mean of its divisors is an integer number (177508800).

Almost surely, 2^3785324280 is an apocalyptic number.

3785324280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3785324280 is an abundant number, since it is smaller than the sum of its proper divisors (7575238920).

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

3785324280 is a wasteful number, since it uses less digits than its factorization.

3785324280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764 (or 12760 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 3785324280 is about 61524.9890694830. The cubic root of 3785324280 is about 1558.4792708290.

The spelling of 3785324280 in words is "three billion, seven hundred eighty-five million, three hundred twenty-four thousand, two hundred eighty".