3784231 has 4 divisors (see below), whose sum is σ = 4128264. Its totient is φ = 3440200.

The previous prime is 3784223. The next prime is 3784241. The reversal of 3784231 is 1324873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3784231 - 2³ = 3784223 is a prime.

It is a super-2 number, since 2×3784231² = 28640808522722, which contains 22 as substring.

It is a Duffinian number.

3784231 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3784231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172000 + ... + 172021.

It is an arithmetic number, because the mean of its divisors is an integer number (1032066).

Almost surely, 2^3784231 is an apocalyptic number.

3784231 is a deficient number, since it is larger than the sum of its proper divisors (344033).

3784231 is a wasteful number, since it uses less digits than its factorization.

3784231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344032.

The product of its digits is 4032, while the sum is 28.

The square root of 3784231 is about 1945.3100010024. The cubic root of 3784231 is about 155.8329216025.

It can be divided in two parts, 37842 and 31, that added together give a palindrome (37873).

The spelling of 3784231 in words is "three million, seven hundred eighty-four thousand, two hundred thirty-one".