8490007 has 4 divisors (see below), whose sum is σ = 8530456. Its totient is φ = 8449560.

The previous prime is 8489969. The next prime is 8490019. The reversal of 8490007 is 7000948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8490007 - 2¹¹ = 8487959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19908 + ... + 20329.

It is an arithmetic number, because the mean of its divisors is an integer number (2132614).

Almost surely, 2^8490007 is an apocalyptic number.

8490007 is a deficient number, since it is larger than the sum of its proper divisors (40449).

8490007 is a wasteful number, since it uses less digits than its factorization.

8490007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40448.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 8490007 is about 2913.7616580633. The cubic root of 8490007 is about 204.0027473038.

The spelling of 8490007 in words is "eight million, four hundred ninety thousand, seven".