869625406 has 8 divisors (see below), whose sum is σ = 1404779544. Its totient is φ = 401365560.

The previous prime is 869625403. The next prime is 869625413. The reversal of 869625406 is 604526968.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869625401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16723540 + ... + 16723591.

It is an arithmetic number, because the mean of its divisors is an integer number (175597443).

Almost surely, 2^869625406 is an apocalyptic number.

869625406 is a deficient number, since it is larger than the sum of its proper divisors (535154138).

869625406 is a wasteful number, since it uses less digits than its factorization.

869625406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33447146.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 869625406 is about 29489.4117608338. The cubic root of 869625406 is about 954.5032388080.

The spelling of 869625406 in words is "eight hundred sixty-nine million, six hundred twenty-five thousand, four hundred six".