7990534 has 16 divisors (see below), whose sum is σ = 12280320. Its totient is φ = 3898440.

The previous prime is 7990519. The next prime is 7990559. The reversal of 7990534 is 4350997.

7990534 = T₁₃₂ + T₁₃₃ + ... + T₃₆₈.

It is a junction number, because it is equal to n+sod(n) for n = 7990493 and 7990502.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 16029 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (767520).

Almost surely, 2^7990534 is an apocalyptic number.

7990534 is a deficient number, since it is larger than the sum of its proper divisors (4289786).

7990534 is a wasteful number, since it uses less digits than its factorization.

7990534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

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

The square root of 7990534 is about 2826.7532612522. The cubic root of 7990534 is about 199.9210855333.

The spelling of 7990534 in words is "seven million, nine hundred ninety thousand, five hundred thirty-four".