2864720146 has 8 divisors (see below), whose sum is σ = 4297307580. Its totient is φ = 1432284288.

The previous prime is 2864720107. The next prime is 2864720149. The reversal of 2864720146 is 6410274682.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2757825225 + 106894921 = 52515^2 + 10339^2 .

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

It is a super-2 number, since 2×2864720146² = 16413243029796522632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2864720099 and 2864720108.

It is not an unprimeable number, because it can be changed into a prime (2864720149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52150 + ... + 91918.

Almost surely, 2^2864720146 is an apocalyptic number.

2864720146 is a deficient number, since it is larger than the sum of its proper divisors (1432587434).

2864720146 is a wasteful number, since it uses less digits than its factorization.

2864720146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75788.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 2864720146 is about 53523.0804980431. The cubic root of 2864720146 is about 1420.2367101917.

The spelling of 2864720146 in words is "two billion, eight hundred sixty-four million, seven hundred twenty thousand, one hundred forty-six".