866034472 has 16 divisors (see below), whose sum is σ = 1663420500. Its totient is φ = 422455680.

The previous prime is 866034467. The next prime is 866034493. The reversal of 866034472 is 274430668.

It is a happy number.

866034472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 552532036 + 313502436 = 23506^2 + 17706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319847 + ... + 1320502.

Almost surely, 2^866034472 is an apocalyptic number.

866034472 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

866034472 is a deficient number, since it is larger than the sum of its proper divisors (797386028).

866034472 is a wasteful number, since it uses less digits than its factorization.

866034472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640396 (or 2640392 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 866034472 is about 29428.4636364184. The cubic root of 866034472 is about 953.1876199396.

The spelling of 866034472 in words is "eight hundred sixty-six million, thirty-four thousand, four hundred seventy-two".