3784587690 has 96 divisors (see below), whose sum is σ = 9866188800. Its totient is φ = 928681728.

The previous prime is 3784587683. The next prime is 3784587707. The reversal of 3784587690 is 967854873.

It is a super-2 number, since 2×3784587690² = 28646207966599072200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3784587690.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1940836 + ... + 1942784.

It is an arithmetic number, because the mean of its divisors is an integer number (102772800).

Almost surely, 2^3784587690 is an apocalyptic number.

3784587690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3784587690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4933094400).

3784587690 is an abundant number, since it is smaller than the sum of its proper divisors (6081601110).

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

3784587690 is a wasteful number, since it uses less digits than its factorization.

3784587690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The square root of 3784587690 is about 61519.0026739706. The cubic root of 3784587690 is about 1558.3781755964.

The spelling of 3784587690 in words is "three billion, seven hundred eighty-four million, five hundred eighty-seven thousand, six hundred ninety".