3784397 has 8 divisors (see below), whose sum is σ = 4056576. Its totient is φ = 3521232.

The previous prime is 3784381. The next prime is 3784399. The reversal of 3784397 is 7934873.

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 3784397 - 2⁴ = 3784381 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 7⁷ + 8⁷ + 4³ + 3⁹ + 9³ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784399) 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, 1373 + ... + 3074.

It is an arithmetic number, because the mean of its divisors is an integer number (507072).

Almost surely, 2^3784397 is an apocalyptic number.

3784397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3784397 is a deficient number, since it is larger than the sum of its proper divisors (272179).

3784397 is a wasteful number, since it uses less digits than its factorization.

3784397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its digits is 127008, while the sum is 41.

The square root of 3784397 is about 1945.3526672560. The cubic root of 3784397 is about 155.8352001708.

The spelling of 3784397 in words is "three million, seven hundred eighty-four thousand, three hundred ninety-seven".