8490878 has 16 divisors (see below), whose sum is σ = 14027904. Its totient is φ = 3822360.

The previous prime is 8490877. The next prime is 8490893. The reversal of 8490878 is 8780948.

8490878 = 227² + 228² + ... + 333².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490877) 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 7 ways as a sum of consecutive naturals, for example, 551 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (876744).

Almost surely, 2^8490878 is an apocalyptic number.

8490878 is a deficient number, since it is larger than the sum of its proper divisors (5537026).

8490878 is a wasteful number, since it uses less digits than its factorization.

8490878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 8490878 is about 2913.9111173816. The cubic root of 8490878 is about 204.0097233607.

The spelling of 8490878 in words is "eight million, four hundred ninety thousand, eight hundred seventy-eight".