8078990 has 32 divisors (see below), whose sum is σ = 15495840. Its totient is φ = 3024000.

The previous prime is 8078989. The next prime is 8078999. The reversal of 8078990 is 998708.

8078990 = T₃₆₄ + T₃₆₅ + ... + T₄₅₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078999) 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 in 15 ways as a sum of consecutive naturals, for example, 18980 + ... + 19400.

It is an arithmetic number, because the mean of its divisors is an integer number (484245).

Almost surely, 2^8078990 is an apocalyptic number.

8078990 is a deficient number, since it is larger than the sum of its proper divisors (7416850).

8078990 is a wasteful number, since it uses less digits than its factorization.

8078990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 8078990 is about 2842.3564167782. The cubic root of 8078990 is about 200.6560953410.

The spelling of 8078990 in words is "eight million, seventy-eight thousand, nine hundred ninety".