2259836397 has 96 divisors (see below), whose sum is σ = 4188038400. Its totient is φ = 1148853888.

The previous prime is 2259836389. The next prime is 2259836407. The reversal of 2259836397 is 7936389522.

It is a happy number.

It is not a de Polignac number, because 2259836397 - 2³ = 2259836389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259836387) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4013638 + ... + 4014200.

It is an arithmetic number, because the mean of its divisors is an integer number (43625400).

Almost surely, 2^2259836397 is an apocalyptic number.

It is an amenable number.

2259836397 is a deficient number, since it is larger than the sum of its proper divisors (1928202003).

2259836397 is a wasteful number, since it uses less digits than its factorization.

2259836397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 615 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 2259836397 is about 47537.7365573920. The cubic root of 2259836397 is about 1312.2774510284.

The spelling of 2259836397 in words is "two billion, two hundred fifty-nine million, eight hundred thirty-six thousand, three hundred ninety-seven".