7999954 has 8 divisors (see below), whose sum is σ = 12014028. Its totient is φ = 3995280.

The previous prime is 7999921. The next prime is 7999963. The reversal of 7999954 is 4599997.

It can be written as a sum of positive squares in 2 ways, for example, as 7969329 + 30625 = 2823^2 + 175^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444 + ... + 4024.

Almost surely, 2^7999954 is an apocalyptic number.

7999954 is a deficient number, since it is larger than the sum of its proper divisors (4014074).

7999954 is a wasteful number, since it uses less digits than its factorization.

7999954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700.

The product of its digits is 918540, while the sum is 52.

The square root of 7999954 is about 2828.4189930065. The cubic root of 7999954 is about 199.9996166659. Note that the first 3 decimals are identical.

The spelling of 7999954 in words is "seven million, nine hundred ninety-nine thousand, nine hundred fifty-four".