3158369 has 4 divisors (see below), whose sum is σ = 3178644. Its totient is φ = 3138096.

The previous prime is 3158359. The next prime is 3158377. The reversal of 3158369 is 9638513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9638513 = 2131 ⋅4523.

It can be written as a sum of positive squares in 2 ways, for example, as 786769 + 2371600 = 887^2 + 1540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3158369 is a prime.

It is a super-2 number, since 2×3158369² = 19950589480322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3158339) 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, 9902 + ... + 10215.

It is an arithmetic number, because the mean of its divisors is an integer number (794661).

Almost surely, 2^3158369 is an apocalyptic number.

It is an amenable number.

3158369 is a deficient number, since it is larger than the sum of its proper divisors (20275).

3158369 is a wasteful number, since it uses less digits than its factorization.

3158369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20274.

The product of its digits is 19440, while the sum is 35.

The square root of 3158369 is about 1777.1800696609. The cubic root of 3158369 is about 146.7194271843.

The spelling of 3158369 in words is "three million, one hundred fifty-eight thousand, three hundred sixty-nine".