493939369 has 32 divisors (see below), whose sum is σ = 654365952. Its totient is φ = 360960000.

The previous prime is 493939367. The next prime is 493939429. The reversal of 493939369 is 963939394.

493939369 = 3795² + 3796² + ... + 3828².

It is a cyclic number.

It is not a de Polignac number, because 493939369 - 2¹ = 493939367 is a prime.

It is a super-2 number, since 2×493939369² = 487952200496236322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493939367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524439 + ... + 525379.

It is an arithmetic number, because the mean of its divisors is an integer number (20448936).

Almost surely, 2^493939369 is an apocalyptic number.

It is an amenable number.

493939369 is a deficient number, since it is larger than the sum of its proper divisors (160426583).

493939369 is a wasteful number, since it uses less digits than its factorization.

493939369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

The product of its digits is 4251528, while the sum is 55.

The square root of 493939369 is about 22224.7467702109. The cubic root of 493939369 is about 790.4805968500.

The spelling of 493939369 in words is "four hundred ninety-three million, nine hundred thirty-nine thousand, three hundred sixty-nine".