2285439397 has 8 divisors (see below), whose sum is σ = 2329559960. Its totient is φ = 2241665280.

The previous prime is 2285439389. The next prime is 2285439419. The reversal of 2285439397 is 7939345822.

It can be written as a sum of positive squares in 4 ways, for example, as 132572196 + 2152867201 = 11514^2 + 46399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2285439397 - 2³ = 2285439389 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 (2285439307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73272 + ... + 99697.

It is an arithmetic number, because the mean of its divisors is an integer number (291194995).

Almost surely, 2^2285439397 is an apocalyptic number.

It is an amenable number.

2285439397 is a deficient number, since it is larger than the sum of its proper divisors (44120563).

2285439397 is a wasteful number, since it uses less digits than its factorization.

2285439397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173223.

The product of its digits is 3265920, while the sum is 52.

The square root of 2285439397 is about 47806.2694319479. The cubic root of 2285439397 is about 1317.2147033620.

The spelling of 2285439397 in words is "two billion, two hundred eighty-five million, four hundred thirty-nine thousand, three hundred ninety-seven".