2436805397 has 4 divisors (see below), whose sum is σ = 2624251980. Its totient is φ = 2249358816.

The previous prime is 2436805391. The next prime is 2436805457. The reversal of 2436805397 is 7935086342.

It is a happy number.

2436805397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 302272996 + 2134532401 = 17386^2 + 46201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2436805397 - 2⁶ = 2436805333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2436805391) 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, 93723272 + ... + 93723297.

It is an arithmetic number, because the mean of its divisors is an integer number (656062995).

Almost surely, 2^2436805397 is an apocalyptic number.

It is an amenable number.

2436805397 is a deficient number, since it is larger than the sum of its proper divisors (187446583).

2436805397 is a wasteful number, since it uses less digits than its factorization.

2436805397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187446582.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2436805397 is about 49364.0091260829. The cubic root of 2436805397 is about 1345.6753051289.

The spelling of 2436805397 in words is "two billion, four hundred thirty-six million, eight hundred five thousand, three hundred ninety-seven".