7954906 has 4 divisors (see below), whose sum is σ = 11932362. Its totient is φ = 3977452.

The previous prime is 7954867. The next prime is 7954907. The reversal of 7954906 is 6094597.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6094597 = 1973 ⋅3089.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 616225 = 2709^2 + 785^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7954907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988725 + ... + 1988728.

Almost surely, 2^7954906 is an apocalyptic number.

7954906 is a deficient number, since it is larger than the sum of its proper divisors (3977456).

7954906 is a wasteful number, since it uses less digits than its factorization.

7954906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977455.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 7954906 is about 2820.4442912421. Note that the first 3 decimals coincide. The cubic root of 7954906 is about 199.6235083817.

The spelling of 7954906 in words is "seven million, nine hundred fifty-four thousand, nine hundred six".