2864478346 has 4 divisors (see below), whose sum is σ = 4296717522. Its totient is φ = 1432239172.

The previous prime is 2864478311. The next prime is 2864478349. The reversal of 2864478346 is 6438744682.

It is a happy number.

2864478346 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 only one way, i.e., 1582050625 + 1282427721 = 39775^2 + 35811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2864478293 and 2864478302.

It is not an unprimeable number, because it can be changed into a prime (2864478349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716119585 + ... + 716119588.

Almost surely, 2^2864478346 is an apocalyptic number.

2864478346 is a deficient number, since it is larger than the sum of its proper divisors (1432239176).

2864478346 is a wasteful number, since it uses less digits than its factorization.

2864478346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432239175.

The product of its digits is 6193152, while the sum is 52.

The square root of 2864478346 is about 53520.8216117802. The cubic root of 2864478346 is about 1420.1967501629.

The spelling of 2864478346 in words is "two billion, eight hundred sixty-four million, four hundred seventy-eight thousand, three hundred forty-six".