3784489 has 8 divisors (see below), whose sum is σ = 4181760. Its totient is φ = 3406656.

The previous prime is 3784481. The next prime is 3784493. The reversal of 3784489 is 9844873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3784489 - 2³ = 3784481 is a prime.

It is a super-2 number, since 2×3784489² = 28644713982242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3784481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4449 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (522720).

Almost surely, 2^3784489 is an apocalyptic number.

It is an amenable number.

3784489 is a deficient number, since it is larger than the sum of its proper divisors (397271).

3784489 is a wasteful number, since it uses less digits than its factorization.

3784489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719.

The product of its digits is 193536, while the sum is 43.

The square root of 3784489 is about 1945.3763132104. The cubic root of 3784489 is about 155.8364629631.

Subtracting from 3784489 its product of digits (193536), we obtain a palindrome (3590953).

The spelling of 3784489 in words is "three million, seven hundred eighty-four thousand, four hundred eighty-nine".