337340389 has 4 divisors (see below), whose sum is σ = 343705356. Its totient is φ = 330975424.

The previous prime is 337340371. The next prime is 337340407. The reversal of 337340389 is 983043733.

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

It is an interprime number because it is at equal distance from previous prime (337340371) and next prime (337340407).

It can be written as a sum of positive squares in 2 ways, for example, as 192932100 + 144408289 = 13890^2 + 12017^2 .

It is a cyclic number.

It is not a de Polignac number, because 337340389 - 2¹⁹ = 336816101 is a prime.

It is a super-2 number, since 2×337340389² = 227597076101342642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (337340329) 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, 3182404 + ... + 3182509.

It is an arithmetic number, because the mean of its divisors is an integer number (85926339).

Almost surely, 2^337340389 is an apocalyptic number.

It is an amenable number.

337340389 is a deficient number, since it is larger than the sum of its proper divisors (6364967).

337340389 is an equidigital number, since it uses as much as digits as its factorization.

337340389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364966.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 337340389 is about 18366.8284959598. The cubic root of 337340389 is about 696.1285523821.

The spelling of 337340389 in words is "three hundred thirty-seven million, three hundred forty thousand, three hundred eighty-nine".