3784249 has 16 divisors (see below), whose sum is σ = 4681600. Its totient is φ = 2985984.

The previous prime is 3784241. The next prime is 3784267. The reversal of 3784249 is 9424873.

It is a happy number.

It is a 4-Lehmer number, since φ(3784249) divides (3784249-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 3784249 - 2³ = 3784241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an Ulam 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 15 ways as a sum of consecutive naturals, for example, 4537 + ... + 5305.

It is an arithmetic number, because the mean of its divisors is an integer number (292600).

Almost surely, 2^3784249 is an apocalyptic number.

It is an amenable number.

3784249 is a deficient number, since it is larger than the sum of its proper divisors (897351).

3784249 is a wasteful number, since it uses less digits than its factorization.

3784249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 48384, while the sum is 37.

The square root of 3784249 is about 1945.3146275089. The cubic root of 3784249 is about 155.8331686794.

The spelling of 3784249 in words is "three million, seven hundred eighty-four thousand, two hundred forty-nine".