2894600385 has 24 divisors (see below), whose sum is σ = 5023071144. Its totient is φ = 1542013440.

The previous prime is 2894600381. The next prime is 2894600399. The reversal of 2894600385 is 5830064982.

2894600385 is a `hidden beast` number, since 2 + 8 + 9 + 4 + 600 + 38 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 263218176 + 2631382209 = 16224^2 + 51297^2 .

It is not a de Polignac number, because 2894600385 - 2² = 2894600381 is a prime.

It is a super-2 number, since 2×2894600385² = 16757422777684296450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2894600385.

It is not an unprimeable number, because it can be changed into a prime (2894600381) 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 23 ways as a sum of consecutive naturals, for example, 3139 + ... + 76151.

It is an arithmetic number, because the mean of its divisors is an integer number (209294631).

Almost surely, 2^2894600385 is an apocalyptic number.

It is an amenable number.

2894600385 is a deficient number, since it is larger than the sum of its proper divisors (2128470759).

2894600385 is a wasteful number, since it uses less digits than its factorization.

2894600385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73905 (or 73902 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2894600385 is about 53801.4905462665. The cubic root of 2894600385 is about 1425.1575301379.

The spelling of 2894600385 in words is "two billion, eight hundred ninety-four million, six hundred thousand, three hundred eighty-five".