7825906 has 8 divisors (see below), whose sum is σ = 12806064. Its totient is φ = 3557220.

The previous prime is 7825903. The next prime is 7825921. The reversal of 7825906 is 6095287.

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

It is a super-2 number, since 2×7825906² = 122489609441672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7825903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177840 + ... + 177883.

It is an arithmetic number, because the mean of its divisors is an integer number (1600758).

Almost surely, 2^7825906 is an apocalyptic number.

7825906 is a deficient number, since it is larger than the sum of its proper divisors (4980158).

7825906 is a wasteful number, since it uses less digits than its factorization.

7825906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355736.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 7825906 is about 2797.4820821589. The cubic root of 7825906 is about 198.5385636974.

The spelling of 7825906 in words is "seven million, eight hundred twenty-five thousand, nine hundred six".