3470389 has 4 divisors (see below), whose sum is σ = 3737356. Its totient is φ = 3203424.

The previous prime is 3470353. The next prime is 3470417. The reversal of 3470389 is 9830743.

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

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 3122289 = 590^2 + 1767^2 .

It is a cyclic number.

It is not a de Polignac number, because 3470389 - 2⁹ = 3469877 is a prime.

It is a super-2 number, since 2×3470389² = 24087199622642, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3470689) 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, 133464 + ... + 133489.

It is an arithmetic number, because the mean of its divisors is an integer number (934339).

Almost surely, 2^3470389 is an apocalyptic number.

It is an amenable number.

3470389 is a deficient number, since it is larger than the sum of its proper divisors (266967).

3470389 is a wasteful number, since it uses less digits than its factorization.

3470389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266966.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3470389 is about 1862.8980111643. The cubic root of 3470389 is about 151.4000618911.

The spelling of 3470389 in words is "three million, four hundred seventy thousand, three hundred eighty-nine".