3404989 has 8 divisors (see below), whose sum is σ = 4060800. Its totient is φ = 2791536.

The previous prime is 3404983. The next prime is 3405019. The reversal of 3404989 is 9894043.

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 3404989 - 2¹⁵ = 3372221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404983) 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, 10414 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (507600).

Almost surely, 2^3404989 is an apocalyptic number.

It is an amenable number.

3404989 is a deficient number, since it is larger than the sum of its proper divisors (655811).

3404989 is a wasteful number, since it uses less digits than its factorization.

3404989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21179.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3404989 is about 1845.2612281192. The cubic root of 3404989 is about 150.4429720323.

It can be divided in two parts, 340 and 4989, that added together give a square (5329 = 73²).

The spelling of 3404989 in words is "three million, four hundred four thousand, nine hundred eighty-nine".