864629430 has 32 divisors (see below), whose sum is σ = 2371555584. Its totient is φ = 197629536.

The previous prime is 864629419. The next prime is 864629459. The reversal of 864629430 is 34926468.

It is a happy number.

864629430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058432 + ... + 2058851.

It is an arithmetic number, because the mean of its divisors is an integer number (74111112).

Almost surely, 2^864629430 is an apocalyptic number.

864629430 is an abundant number, since it is smaller than the sum of its proper divisors (1506926154).

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

864629430 is a wasteful number, since it uses less digits than its factorization.

864629430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117300.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 864629430 is about 29404.5817858374. The cubic root of 864629430 is about 952.6718615770.

The spelling of 864629430 in words is "eight hundred sixty-four million, six hundred twenty-nine thousand, four hundred thirty".