1149396393 has 16 divisors (see below), whose sum is σ = 1665228800. Its totient is φ = 702516240.

The previous prime is 1149396361. The next prime is 1149396397. The reversal of 1149396393 is 3936939411.

It is not a de Polignac number, because 1149396393 - 2⁵ = 1149396361 is a prime.

It is a super-2 number, since 2×1149396393² = 2642224136482820898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) 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 not an unprimeable number, because it can be changed into a prime (1149396397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323473 + ... + 327006.

It is an arithmetic number, because the mean of its divisors is an integer number (104076800).

Almost surely, 2^1149396393 is an apocalyptic number.

It is an amenable number.

1149396393 is a deficient number, since it is larger than the sum of its proper divisors (515832407).

1149396393 is a wasteful number, since it uses less digits than its factorization.

1149396393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650532.

The product of its digits is 472392, while the sum is 48.

The square root of 1149396393 is about 33902.7490478280. The cubic root of 1149396393 is about 1047.5062188462.

The spelling of 1149396393 in words is "one billion, one hundred forty-nine million, three hundred ninety-six thousand, three hundred ninety-three".