7990354 has 8 divisors (see below), whose sum is σ = 12095820. Its totient is φ = 3958416.

The previous prime is 7990349. The next prime is 7990363. The reversal of 7990354 is 4530997.

It can be written as a sum of positive squares in 2 ways, for example, as 7969329 + 21025 = 2823^2 + 145^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18109 + ... + 18544.

Almost surely, 2^7990354 is an apocalyptic number.

7990354 is a deficient number, since it is larger than the sum of its proper divisors (4105466).

7990354 is a wasteful number, since it uses less digits than its factorization.

7990354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36764.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 7990354 is about 2826.7214224256. The cubic root of 7990354 is about 199.9195843376.

The spelling of 7990354 in words is "seven million, nine hundred ninety thousand, three hundred fifty-four".