47864826 has 24 divisors (see below), whose sum is σ = 109808244. Its totient is φ = 15016320.

The previous prime is 47864813. The next prime is 47864827. The reversal of 47864826 is 62846874.

It can be written as a sum of positive squares in 2 ways, for example, as 45765225 + 2099601 = 6765^2 + 1449^2 .

It is not an unprimeable number, because it can be changed into a prime (47864827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77905 + ... + 78516.

Almost surely, 2^47864826 is an apocalyptic number.

47864826 is an abundant number, since it is smaller than the sum of its proper divisors (61943418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47864826 is a wasteful number, since it uses less digits than its factorization.

47864826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156446 (or 156443 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 47864826 is about 6918.4410093604. The cubic root of 47864826 is about 363.0826485762.

The spelling of 47864826 in words is "forty-seven million, eight hundred sixty-four thousand, eight hundred twenty-six".