7845906 has 8 divisors (see below), whose sum is σ = 15691824. Its totient is φ = 2615300.

The previous prime is 7845899. The next prime is 7845913. The reversal of 7845906 is 6095487.

7845906 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7845899) and next prime (7845913).

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

7845906 is an admirable number.

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, 653820 + ... + 653831.

It is an arithmetic number, because the mean of its divisors is an integer number (1961478).

Almost surely, 2^7845906 is an apocalyptic number.

7845906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7845906 is a wasteful number, since it uses less digits than its factorization.

7845906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307656.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 7845906 is about 2801.0544443120. The cubic root of 7845906 is about 198.7075491789.

The spelling of 7845906 in words is "seven million, eight hundred forty-five thousand, nine hundred six".