3407389 has 2 divisors, whose sum is σ = 3407390. Its totient is φ = 3407388.

The previous prime is 3407357. The next prime is 3407401. The reversal of 3407389 is 9837043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 3364 = 1845^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 3407389 - 2⁵ = 3407357 is a prime.

It is a super-2 number, since 2×3407389² = 23220599594642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3407329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703694 + 1703695.

It is an arithmetic number, because the mean of its divisors is an integer number (1703695).

Almost surely, 2^3407389 is an apocalyptic number.

It is an amenable number.

3407389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3407389 is an equidigital number, since it uses as much as digits as its factorization.

3407389 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3407389 is about 1845.9114279943. The cubic root of 3407389 is about 150.4783102115.

Subtracting from 3407389 its sum of digits (34), we obtain a triangular number (3407355 = T₂₆₁₀).

The spelling of 3407389 in words is "three million, four hundred seven thousand, three hundred eighty-nine".